This document lists some of the most famous structures from ancient history and their approximate dates of construction, including the Great Pyramid of Giza from 2560 BC, the Great Wall of China from the 7th century BC, Petra from 100 BC, Christ the Redeemer from 1931, Machu Picchu from AD 1450, the Coliseum from AD 80, and the Taj Mahal from AD 1648. It also mentions the Panama Canal.