When hundreds or thousands of coral polyps build their skeletons close together, they create a calcium carbonate structure that provides habitat and food for a variety of organisms. This is known as a coral reef. Explore a virtual coral reef. More Info - Common Coral Forms; More Info - Fringing Reefs
Arch Cape is an unincorporated community in Clatsop County, Oregon, United States. It is located along the Pacific coast about 4 miles south of Cannon Beach. The Arch Cape post office, established in 1912, has ZIP code 97102. The community was named for a natural arch in the coastal rocks.
Delicate Arch. Delicate Arch is 60-foot-tall (18 m) freestanding natural arch located in Arches National Park near Moab, Utah, USA. It is the most widely recognized landmark in Arches National Park and is depicted on Utah license plates and on a postage stamp commemorating Utah's centennial anniversary of admission to the Union in 1996.