Machu Picchu is one of the greatest landmarks of world architecture, yet the purpose of its construction and how it was built still remains a mystery; experts use cutting-edge engineering to reveal what it would take to rebuild this legendary city.

From ancient cave dwellings to massive multi-winged estates, the home has never stopped evolving; now, experts mix modern materials with state-of-the-art technology to reveal if a modern home can be constructed to truly stand the test of time.