Discovery History HD

S5 E1 Mysteries in the Alien Desert The Nazca Lines are alien-looking symbols carved into a remote desert more than a thousand years ago, and new discoveries might finally reveal what these strange images mean and if they explain the disappearance of the people who made them.

S1 E2 Black Holes A star collapses, creating a black hole with gravity so massive that not even light can escape, but could they provide the key to moving around the universe?

S2 E17 Kalahari Desert's Lost City Josh travels to the Kalahari Desert in southern Africa to look for a fabled lost city. On the journey, he traverses rough desert terrain, encounters wild animals, rafts down rapids and flies in an open-air helicopter.

S2 E18 Yamashita's Gold Josh travels to the Philippines searching for Yamashita's Gold, a treasure that has been hidden since World War II. When the cave Josh explores quickly fills with water, will he escape with a piece of history before he's trapped?