If We Built It Today

One of the greatest landmarks of world architecture, the construction of Machu Picchu and its purpose continue to be shrouded in mystery; experts use the latest science to determine what it would take to rebuild this remarkable city today.

Engineered using a mysterious mathematical formula, the Parthenon is the crowning jewel of ancient Greek architecture; experts investigate the secrets behind its design and reveal if modern-day construction methods could rebuild it.