Multiple choice general knowledge This wonder is originally an Amphitheatre Maya ruins Stonehenge Machu Picchu Colosseum Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Colosseum, originally known as the Flavian Amphitheatre, is the largest ancient amphitheatre ever built. The Maya ruins are temple complexes, Stonehenge is a stone circle, and Machu Picchu was an Incan citadel - none were amphitheatres.