The Hunt for the Last Inca Stronghold & Other Great Mysteries

When the Spanish conquered the Inca Empire, a few survivors fled deep into the Andes, building a hidden stronghold, perhaps Vilcabamba, or an even more secret city lost to time.

Could it still be out there, untouched? And it’s not the only Inca mystery, what really happened to Atahualpa’s lost ransom, and did the Incas have secret knowledge of the stars?