Modern Marvels - Machu Picchu

Seizoen: 9 - Aflevering: 50 / 288 - Eerst uitgezonden: 24 september 2003 - Episode ID: 419344

The engineering marvel Machu Picchu sits perched on a ridge in the Peruvian Andes. Originally built by the Incas, this magnificent structure remains a mystery. Was it an observatory? Pleasure retreat? Fortress? This program presents the most current theories.