How big is the Colosseum? It is 189 m long and 156 m wide, with a base area of 24,000 square metres. The height of the outer wall is 48 m. The Colosseum could hold around 50,000 spectators.
Is Colosseum one of the seven wonders of the world? Colosseum is listed in the New7Wonders of the World not to be confused with the seven wonders of the ancient world.
