Historical clues and the expertise of geologists reveal how powerful forces shaped the planet, going back 4.5 billion years to tell the story of how the earth was made. 

Ancient Aliens examines 75 million years of the most credible alien evidence here on Earth, from the age of the dinosaurs, to ancient Egypt, to the skies over the western desert in the present day US.

Below each major city lies city upon city - each with its fascinating and unknown history. This series will reveal the technological marvels that allowed the construction of one city upon another - literally.

A team of Americans attempts to solve one of the great mysteries of World War II. With the help of an eyewitness, they explore a mountain in the Philippines where Japanese general Yamashita is believed to have buried a vast treasure during the war.

Historical clues and the expertise of geologists reveal how powerful forces shaped the planet, going back 4.5 billion years to tell the story of how the earth was made. 

From the castle of the real Count Dracula to the Super City of Adolf Hitler, history is full of temples, fortresses, lost civilisations and secret worlds left behind by the passage of time.