The hit mystery series premieres January 16 with "Impossible Ancient Structures" episode exploring engineering feats that ...
These ancient structures still stand - but the people who built them remain a mystery that history can’t fully explain.
During the season eight premiere episode of "The UnXplained" host William Shatner takes viewers all over the world to examine ancient structures.
Archaeologists have identified hundreds of ancient structures hidden beneath the dense canopy of Ecuador's Andean Chocó ...
Deep in the Amazon rainforest, researchers have uncovered an ancient structure that rivals the size of some modern cities. Utilizing advanced technologies like LIDAR, scientists have revealed vast, ...