The Colosseum or Coliseum, also known as the Flavian Amphitheatre is an elliptical amphitheatre in the centre of the city of Rome, Italy. Built of concrete and stone, it was the largest amphitheatre of the Roman Empire
The Haiku Stairs, also known as the Stairway to Heaven, is a steep hiking trail on the island of Oʻahu. Haiku Stairs is a series of galvanized-steel ship ladders that allow access for hikers to the top of Puu Keahiakahoe
The main dome of St. Joseph Ukrainian in Chicago, depicting Christ on the dome representing him. The building has an ultra-modern roof, comprising thirteen gold domes which symbolize the twelve apostles and Jesus Christ as the largest center dome.