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12 films
32,000 square miles of rainforest in eastern Honduras, known as Mosquitia, remain largely unexplored and may hold secrets of ancient civilizations.
Over 60,000 man-made structures were identified in the Yucatan Peninsula using LiDAR technology, revealing a vast ancient Mayan civilization.
David Adams searches for the Great Golden Disc of the Sun in Puncuyoc, the sacred Sister City of Machu Picchu, long sought by explorers like Hiram Bingham.
Some stones at Sacsayhuamán weigh as much as 125 tons and were moved from a quarry at least three miles away.
A 30-meter-long bridge made from vegetable fibers is rebuilt each year by villagers in the Peruvian Andes, preserving a 500-year-old tradition.
At its height, the Inca Empire stretched from the south of Colombia to the center of Chile, covering an enormous area even by today's standards.
In 1911, American explorer Hiram Bingham discovered Machu Picchu, a significant Inca site located 10,000 feet above sea level in the Andes Mountains.
Nearly 3 million visitors per year flock to Mont-Saint-Michel, a tidal island fortress in Normandy, France, known for its medieval architecture.
340 Spaniards and 4,000 indigenous people set out in 1541 to find the legendary city of gold, facing treacherous conditions in the Amazon rainforest.
A 35-foot-long stone hall at Machu Picchu contains three trapezoidal windows and is linked to theories of extraterrestrial influence.
25 million cubic meters of stone blocks were used to construct the ancient city of Kuelap, a significant site of the Chachapoya civilization.
Kuelap, a Chachapoya city, features walls that are 600 meters long and rise between 10 and 20 meters high, constructed from limestone blocks weighing up to three tonnes.
