The historic central district of Olsztyn is the Old Town (Stare Miasto), which contains various historic buildings and structures, including:
the Gothic castle of Warmian Bishops, built during the 14th century, former home of Nicolaus Copernicus, now a museum
Gothic St. James' Cathedral with Gothic-Renaissance-Baroque interior
Old Town Hall on the Market Square – built in the mid-14th century.

Gazeta Olsztyńska House at the Targ Rybny ("Fish Market"), now a museum.

the town walls and the High Gate (until the mid-19th century known as the Upper Gate).

Our Lady Queen of Poland church
monument of Nicolaus Copernicus
Park Zamkowy (Castle Park)
Baroque Archpresbyter's Palace (Pałac Archiprezbitera)
Gothic Revival Church of the Salvator
Notable structures outside of the Old Town include:
the New City Hall
the astronomical observatory
the Jerusalem Chapel, built in 1565
Neogothic Sacred Heart church, built during the years 1901–1902
Church of St. Lawrence in the Gutkowo district, built in the late 14th century
Home Army and Stefan Jaracz monuments and the White Eagle Column
the Railway Bridge over the River Łyna gorge near Artyleryjska and Wyzwolenia streets, built during the years 1872–1873
Main Post Office
Warmian-Masurian Voivodeship office
Instytut Północny im.
Wojciecha Kętrzyńskiego ("Wojciech Kętrzyński Northern Institute")
Park Centralny (Central Park)
the Książnica Polska building with one of the oldest active passenger elevators in Poland and Europe
FM- and TV-mast Olsztyn-Pieczewo – 360 metres high, since the collapse of the Warsaw radio mast the tallest structure in Poland
The historic central district of Olsztyn is the Old Town (Stare Miasto), which contains various historic buildings and structures, including:
the Gothic castle of Warmian Bishops, built during the 14th century, former home of Nicolaus Copernicus, now a museum
Gothic St. James' Cathedral with Gothic-Renaissance-Baroque interior
Old Town Hall on the Market Square – built in the mid-14th century.
Gazeta Olsztyńska House at the Targ Rybny ("Fish Market"), now a museum.
the town walls and the High Gate (until the mid-19th century known as the Upper Gate).
Our Lady Queen of Poland church
monument of Nicolaus Copernicus
Park Zamkowy (Castle Park)
Baroque Archpresbyter's Palace (Pałac Archiprezbitera)
Gothic Revival Church of the Salvator
Notable structures outside of the Old Town include:
the New City Hall
the astronomical observatory
the Jerusalem Chapel, built in 1565
Neogothic Sacred Heart church, built during the years 1901–1902
Church of St. Lawrence in the Gutkowo district, built in the late 14th century
Home Army and Stefan Jaracz monuments and the White Eagle Column
the Railway Bridge over the River Łyna gorge near Artyleryjska and Wyzwolenia streets, built during the years 1872–1873
Main Post Office
Warmian-Masurian Voivodeship office
Instytut Północny im. Wojciecha Kętrzyńskiego ("Wojciech Kętrzyński Northern Institute")
Park Centralny (Central Park)
the Książnica Polska building with one of the oldest active passenger elevators in Poland and Europe
FM- and TV-mast Olsztyn-Pieczewo – 360 metres high, since the collapse of the Warsaw radio mast the tallest structure in Poland
Olsztyn