A Maypole topped with a swastika is raised for a May Day parade in the Lustgarten in Berlin. The May holiday became an important celebration in the Nazi calendar. Germany, April 26, 1939. 
 
 The swastika is an ancient symbol that was in use in many different cultures for at least 5,000 years before Adolf Hitler made it the centerpiece of the Nazi flag. Its present-day use by certain extremist groups promotes hate. 
 
 It was used at least 5,000 years before Adolf Hitler designed the Nazi flag. The word swastika comes from the Sanskrit svastika, which means “good fortune” or “well-being." The motif (a hooked cross) appears to have first been used in Neolithic Eurasia, perhaps representing the movement of the sun through the sky. To this day it is a sacred symbol in Hinduism, Buddhism, and Jainism. It is a common sight on temples or houses in India and Indonesia. Swastikas also have an ancient history in Europe, appearing on artifacts from pre-Christian European cultures. For centuries a symbol of good luck and auspiciousness, the swastika even found expression in Byzantine and Christian art. 
 
 The symbol experienced a resurgence in the late nineteenth century, following extensive archaeological work such as that of the famous German archaeologist Heinrich Schliemann. Schliemann discovered the hooked cross on the site of ancient Troy in modern Turkey. He connected it with similar shapes found on pottery in Germany and speculated that it was a “significant religious symbol of our remote ancestors.” 
 
 However, the work of Schliemann soon was taken up by movements that wanted to evoke racial purity, “Aryan identity” and German nationalist pride. 
 
 This belief that the “German race” descended from the Aryan race is likely one of the main reasons the Nazi party formally adopted the swastika or Hakenkreuz (Ger., hooked cross) as its symbol in 1920. 
 
 The Nazi Party, however, was not the only party to use the swastika in Germany. After World War I, a number of far-right nationalist movements adopted the swastika. As a symbol, it became associated with the idea of a racially “pure” state. By the time the Nazis gained control of Germany, the connotations of the swastika had forever changed. 
 
 The swastika would become the most recognizable icon of Nazi propaganda, appearing on the flag referred to by Hitler in Mein Kampf as well as on election posters, armbands, medallions, and badges for military and other organizations. A potent symbol intended to elicit pride among Aryans, it also became a symbol of Nazi racial ideology that called for the elimination of Jews and other groups deemed inferior. 
 
 In Mein Kampf, Adolf Hitler wrote: 
 
 “I myself, meanwhile, after innumerable attempts, had laid down a final form; a flag with a red background, a white disk, and a black swastika in the middle. After long trials I also found a definite proportion between the size of the flag and the size of the white disk, as well as the shape and thickness of the swastika.” 
 
 Further reading 
 
 Heidtmann, Horst. “Swastika.” In Encyclopedia of the Third Reich, 937-939. New York: Macmillan, 1991. 
 
 Heller, Steven. The Swastika: Symbol Beyond Redemption? New York: Allworth Press, 2000. 
 
 Quinn, Malcolm. The Swastika: Constructing the Symbol. London: Routledge, 1994. ||||| A historical Google Earth image from 2007 showing the animal-shaped geoglyph in Russia, which may predate Peru's famous Nazca Lines. [ See more Russian Nazca Lines Photos 
 
 A huge geoglyph in the shape of an elk or deer discovered in Russia may predate Peru's famous Nazca Lines by thousands of years. 
 
 The animal-shaped stone structure, located near Lake Zjuratkul in the Ural Mountains, north of Kazakhstan, has an elongated muzzle, four legs and two antlers. A historical Google Earth satellite image from 2007 shows what may be a tail, but this is less clear in more recent imagery. 
 
 Excluding the possible tail, the animal stretches for about 900 feet (275 meters) at its farthest points (northwest to southeast), the researchers estimate, equivalent to two American football fields. The figure faces north and would have been visible from a nearby ridge. 
 
 "The figure would initially have looked white and slightly shiny against the green grass background," write Stanislav Grigoriev, of the Russian Academy of Sciences Institute of History & Archaeology, and Nikolai Menshenin, of the State Centre for Monument Protection, in an article first detailing the discovery published last spring in the journal Antiquity. They note that it is now covered by a layer of soil. 
 
 Fieldwork carried out this past summer has shed more light on the glyph's composition and date, suggesting it may be the product of a "megalithic culture," researchers say. They note that hundreds of megalithic sites have been discovered in the Urals, with the most elaborate structures located on a freshwater island about 35 miles (60 km) northeast of the geoglyph. [See Photos of Russia's Nazca Lines] 
 
 The Russian geoglyph was made out of stone, now covered by soil, and an archaeological team has been at work studying it. Credit: Image courtesy Stanislav Grigoriev. 
 
 Discovery & excavation 
 
 A man named Alexander Shestakov first discovered the glyphs using satellite images. He alerted researchers, who sent out a hydroplane and paraglider to survey the giant structure. 
 
 This has since progressed to an on-the-ground excavation by a team led by Grigoriev. They've found that the stone architecture of the geoglyph is quite elaborate. When they excavated part of a hind leg the largest stones were on the edges, the smaller ones inside. This past summer they also found the remains of passageways and what appear to be small walls on the hoof and muzzle of the animal. 
 
 "The hoof is made of small crushed stones and clay. It seems to me there were very low walls and narrow passages among them. The same situation in the area of a muzzle: crushed stones and clay, four small broad walls and three passages," Grigorievwrote in an email to LiveScience. He cautioned that his team didn't excavate all the way down to the bottom of the walls, not wishing to damage the geoglyph. 
 
 An image of the makeup of the leg of the Russian geoglyph. Credit: Image courtesy Stanislav Grigoriev. 
 
 Dating the geoglyph 
 
 Among the finds from the excavations are about 40 stone tools, made of quartzite, found on the structure's surface. Most of them are pickaxe-like tools called mattocks, useful for digging and chopping. "Perhaps they were used to extract clay," he writes in the email. 
 
 The style of stone-working called lithic chipping used on one artifact dates it to the Neolithic and Eneolithic (sixth to third millennia B.C.), though Grigoriev says the technology is more typical of the Eneolithic, between the fourth and third millennia B.C. 
 
 If that date is correct, it would make the geoglyph far older than Peru's Nazca Lines, the very earliest of which were created around 500 B.C. Grigorievadded that current studies of ancient pollen at the site will help to narrow down the age. [Gallery: Aerial Photos Reveal Mysterious Stone Structures] 
 
 In the Antiquity journal article, Grigoriev and Menshenin point out that palaeozoological studies show that the landscape in the southern Urals supported fewer trees in the Eneolithic, with forest growth not appearing until about 2,500 years ago. "This means that there were open landscapes in the Eneolithic and Bronze Age, which allowed the hill figure to be created," they write. 
 
 A megalithic culture 
 
 Researchers say this geoglyph may have been built by a "megalithic culture" in the region that created stone monuments in prehistoric times. 
 
 "[M]any megalithic sites with features in common with European megaliths have been located: Some 300 are known but have not yet been studied in detail," write Grigoriev and Menshenin in the Antiquity article. Among these megaliths are numerous "menhirs," large upright standing stones. 
 
 The most spectacular megalithic complexes are on the relatively small Vera Island, located on Turgoyak Lake, about 35 miles (60 km) northeast of the geoglyph. 
 
 Grigoriev and Julia Vasina of the South-Ural State University described the Vera Island megaliths in a 2010 article, noting the surviving portion of one monument, megalith two, as being covered by a mound and supporting a gallery and square chamber. Another monument, megalith one, is cut into the bedrock and covered by a mound consisting of stones, brown sand and lots of grass. It is more than 60 feet (19 meters) long and 20 feet (6 meters) wide. It contains three chambers one of which has "bas relief sculptures" in the shape of animals, probably a bull and wolf. 
 
 Stone tools and ceramics found at the megalithic sites date them to between the Eneolithic period and the early Iron Age, around 3,000 years ago. Researchers emphasize more dating work needs to be done to verify; however, if the evidence holds, the giant geoglyph, along with the megaliths, were constructed millennia before Peru's Nazca Lines, a testament to the building prowess of an ancient prehistoric culture in the Ural Mountains. 
 
 Follow LiveScience on Twitter at @livescience. We're also on Facebook & Google+. ||||| Over 50 geoglyphs have been discovered across the northern steppe of Kazakhstan, deepening the mystery of why the ancient patterns were created. 
 
 Using Google Earth, archaeologists found the geoglyphs - man-made outlines on the ground made from mounds or ditches that are visible from above - in a variety of shapes, including squares, rings and swastikas. 
 
 Often attributed to the sun, the swastika was used among the ancient Celts, Indians and Greeks, and later in Buddhism, Jainism and Hinduism. In Asia, the symbol first appears in archaeological records around 2,500 BC in the Indus Valley Civilisation. 
 
 "As of today, we can say only one thing – the geoglyphs were built by ancient people," archaeologists Irina Shevnina and Andrew Logvin, who discovered the Kazakh geoglyphs, told Live Science. 
 
 They added that other structures and evidence of fireplaces within the geoglyphs suggest rituals took place there. 
 
 Experts have compared the findings in Kazakhstan to the famous Nazca Lines in Peru, which were designated a UNESCO World Heritage Site in 1994. 
 
 Although some of the Peruvian geoglyphs resemble Paracas motifs, an Andean society that lived between 800 and 100 BCE, scholars believe they were created by the Nazca culture between 400 and 650 AD. 
 
 In the past year, researchers from Kostanay University and Vilnius University in Lithuania have been conducting archaeological excavations, aerial photography and ground-penetrating radar surveys to examine the geoglyphs in Kazakhstan. 
 
 The symbols vary in shapes and size. One swastika was made from timber, although the majority of the geoglyphs were made using mounds of earth. 
 
 One of the largest measures 1,312ft in diameter, suggesting it was created by a larger, well-established culture, the researchers said. 
 
 Ancient tribes may have used the geoglyphs to mark ownership of the land, but the reason behind the creation of the patterns remains unknown. 
 
 Central Asia is pockmarked with other mysterious ancient constructions called kurgans, mounds heaped over a burial chamber. Found across Kazakhstan, Mongolia and Poland, the earliest kurgans appeared in the 4th millennium BC in the Caucasus and are associated with the Indo-Europeans. 
 
 Geoglyphs and similar patterns have been discovered across the world, including in Britain, thanks to the introduction of Google Earth. In 2012, a giant elk-shaped geoglyph was discovered near Lake Zjuratkul in the Ural Mountains in Russia. 
 
 The Kazakh geoglyphs were presented at the European Association of Archaeologists' annual meeting in Istanbul. ||||| More than 50 geoglyphs, including one shaped like a swastika, have been discovered in northern Kazakhstan. 
 
 More than 50 geoglyphs with various shapes and sizes, including a massive swastika, have been discovered across northern Kazakhstan in Central Asia, say archaeologists. 
 
 These sprawling structures, mostly earthen mounds, create the type of landscape art most famously seen in the Nazca region of Peru. 
 
 Discovered using Google Earth, the geoglyphs are designed in a variety of geometric shapes, including squares, rings, crosses and swastikas (the swastika is a design that was used in ancient times). Ranging from 90 to 400 meters (295 to 1,312 feet) in diameter, some of them are longer than a modern-day aircraft carrier. Researchers say that the geoglyphs are difficult to see on the ground, but can easily be seen from the sky. [See Photos of the Amazing Geoglyphs in Kazakhstan] 
 
 Over the past year, an archaeological expedition from Kazakhstan's Kostanay University, working in collaboration with Vilnius University in Lithuania, has been examining the geoglyphs. The team, which is conducting archaeological excavations, ground-penetrating radar surveys, aerial photography and dating, recently presented its initial results at the European Association of Archaeologists' annual meeting in Istanbul. 
 
 The geoglyphs were made of earthen mounds. 
 
 Archaeological excavations uncovered the remains of structures and hearths at the geoglyphs, suggesting that rituals took place there, said archaeologists Irina Shevnina and Andrew Logvin, of Kostanay University, in an email to Live Science. Ancient tribes may also have used the geoglyphs to mark ownership of the land, the researchers noted. 
 
 "As of today, we can say only one thing — the geoglyphs were built by ancient people. By whom and for what purpose, remains a mystery," said Shevnina and Logvin. 
 
 Why they're builders used geometric shapes is also a mystery, although the swastika is an ancient symbol found throughout Europe and Asia. 
 
 Geoglyphs around the world 
 
 While Peru's Nazca Lines are the world's most famous geoglyphs, archaeological research suggests that geoglyphs were constructed in numerous areas around the world by different cultures. 
 
 For instance, in the Middle East, archaeologists have found thousands of wheel-shaped structures that are easily visible from the sky, but hard to see on the ground. Also recently in Russia, archaeologists excavated a geoglyph shaped like an elk, which appears older than the Nazca Lines. 
 
 Ancient geoglyphs have also been reported in many other countries, including the United Kingdom, Brazil and even the Southwestern United States. The introduction of high-resolution Google Earth imagery over the last decade has helped both professional archaeologists and amateurs detect and study these enigmatic structures. 
 
 Editor's Note: This article was updated to reflect the fact that all of the geoglyphs were made of earthen mounds. 
 
 Follow us @livescience, Facebook & Google+. Original article on Live Science. ||||| The giant stone structures form wheel shapes with spokes often radiating inside. Here a cluster of wheels in the Azraq Oasis. 
 
 They stretch from Syria to Saudi Arabia, can be seen from the air but not the ground, and are virtually unknown to the public. 
 
 They are the Middle East's own version of the Nazca Lines — ancient "geolyphs," or drawings, that span deserts in southern Peru — and now, thanks to new satellite-mapping technologies, and an aerial photography program in Jordan, researchers are discovering more of them than ever before. They number well into the thousands. 
 
 Referred to by archaeologists as "wheels," these stone structures have a wide variety of designs, with a common one being a circle with spokes radiating inside. Researchers believe that they date back to antiquity, at least 2,000 years ago. They are often found on lava fields and range from 82 feet to 230 feet (25 meters to 70 meters) across. [See gallery of wheel structures] 
 
 "In Jordan alone we've got stone-built structures that are far more numerous than (the) Nazca Lines, far more extensive in the area that they cover, and far older," said David Kennedy, a professor of classics and ancient history at the University of Western Australia. 
 
 Kennedy's new research, which will be published in a forthcoming issue of the Journal of Archaeological Science, reveals that these wheels form part of a variety of stone landscapes. These include kites (stone structures used for funnelling and killing animals); pendants (lines of stone cairns that run from burials); and walls, mysterious structures that meander across the landscape for up to several hundred feet and have no apparent practical use. 
 
 His team's studies are part of a long-term aerial reconnaissance project that is looking at archaeological sites across Jordan. As of now, Kennedy and his colleagues are puzzled as to what the structures may have been used for or what meaning they held. [History's Most Overlooked Mysteries] 
 
 Fascinating structures 
 
 Kennedy's main area of expertise is in Roman archaeology, but he became fascinated by these structures when, as a student, he read accounts of Royal Air Force pilots flying over them in the 1920s on airmail routes across Jordan. "You can't not be fascinated by these things," Kennedy said. 
 
 Indeed, in 1927 RAF Flight Lt. Percy Maitland published an account of the ruins in the journal Antiquity. He reported encountering them over "lava country" and said that they, along with the other stone structures, are known to the Bedouin as the "works of the old men." 
 
 Kennedy and his team have been studying the structures using aerial photography and Google Earth, as the wheels are hard to pick up from the ground, Kennedy said. 
 
 "Sometimes when you're actually there on the site you can make out something of a pattern but not very easily," he said. "Whereas if you go up just a hundred feet or so it, for me, comes sharply into focus what the shape is." 
 
 The designs must have been clearer when they were originally built. "People have probably walked over them, walked past them, for centuries, millennia, without having any clear idea what the shape was." 
 
 (The team has created an archive of images of the wheels from various sites in the Middle East.) 
 
 What were they used for? 
 
 So far, none of the wheels appears to have been excavated, something that makes dating them, and finding out their purpose, more difficult. Archaeologists studying them in the pre-Google Earth era speculated that they could be the remains of houses or cemeteries. Kennedy said that neither of these explanations seems to work out well. 
 
 "There seems to be some overarching cultural continuum in this area in which people felt there was a need to build structures that were circular." 
 
 Some of the wheels are found in isolation while others are clustered together. At one location, near the Azraq Oasis, hundreds of them can be found clustered into a dozen groups. "Some of these collections around Azraq are really quite remarkable," Kennedy said. 
 
 In Saudi Arabia, Kennedy's team has found wheel styles that are quite different: Some are rectangular and are not wheels at all; others are circular but contain two spokes forming a bar often aligned in the same direction that the sun rises and sets in the Middle East. 
 
 The ones in Jordan and Syria, on the other hand, have numerous spokes and do not seem to be aligned with any astronomical phenomena. "On looking at large numbers of these, over a number of years, I wasn't struck by any pattern in the way in which the spokes were laid out," Kennedy said. 
 
 Cairns are often found associated with the wheels. Sometimes they circle the perimeter of the wheel, other times they are in among the spokes. In Saudi Arabia some of the cairns look, from the air, like they are associated with ancient burials. 
 
 Dating the wheels is difficult, since they appear to be prehistoric, but could date to as recently as 2,000 years ago. The researchers have noted that the wheels are often found on top of kites, which date as far back as 9,000 years, but never vice versa. "That suggests that wheels are more recent than the kites," Kennedy said. 
 
 Amelia Sparavigna, a physics professor at Politecnico di Torino in Italy, told Live Science in an email that she agrees these structures can be referred to as geoglyphs in the same way as the Nazca Lines are. "If we define a 'geoglyph' as a wide sign on the ground of artificial origin, the stone circles are geoglyphs," Sparavignawrote in her email. 
 
 The function of the wheels may also have been similar to the enigmatic drawings in the Nazca desert. [Science as Art: A Gallery] 
 
 "If we consider, more generally, the stone circles as worship places of ancestors, or places for rituals connected with astronomical events or with seasons, they could have the same function of [the] geoglyphs of South America, the Nazca Lines for instance. The design is different, but the function could be the same," she wrote in her email. 
 
 Kennedy said that for now the meaning of the wheels remains a mystery. "The question is what was the purpose?" 
 
 Follow LiveScience for the latest in science news and discoveries on Twitter @livescience and on Facebook.
– Google Earth can be used for more than peeking into your neighbor's backyard: Archaeologists have discovered more than 50 geoglyphs in Kazakhstan, thanks to images from the virtual geographical and map service, reports the International Business Times. Geoglyphs are large designs on the ground, usually created out of mounds of dirt and other natural elements, that can be seen from above. Scientists from Kostanay University, who made their announcement about the structures at an archaeology meeting in Istanbul, say the geoglyphs range in size from 295 feet to 1,312 feet in diameter and come in the shape of squares, circles, crosses—and even a giant swastika, LiveScience reports. (Click to a photo slideshow.) Geoglyphs like these that resemble Peru's famous Nazca Lines have been found all over the world, including giant "wheels" in the Middle East and an elk-like structure in Russia. It may seem surprising at first that a swastika is one of the Kazakhstani creations—and it was made of timber, not dirt, LiveScience notes—but many ancient cultures and religions used the swastika long before Hitler appropriated it. "Swastika" is derived from the Sanskrit term for "good fortune" or "well-being," and the symbol itself is believed to show the sun's movement in the sky, notes the US Holocaust Memorial Museum. "As of today, we can say only one thing—the geoglyphs were built by ancient people. By whom and for what purpose, remains a mystery," two of the project's scientists said in an email to LiveScience. (See what was revealed when sandstorms blew over the Peruvian desert last month.)