
The Planet Unlocked: The Pyramids of Giza could be a map of the stars. First responders bring hope during Hurricane Katrina. An Indonesian volcano erupts in a shade of blue. (S1, ep 10)

Unreachable Places: Discover strange markings in the remote region of Northern Finland and reveal secrets found deep in the Antarctic. (S1, ep 6)

Ghost Towns: Drones reveal what is left of Henry Ford's suburb in the Amazon, while clues to what killed a once-vibrant Pennsylvania mining town is discovered. (S1, ep 7)

The Planet Unlocked: The Pyramids of Giza could be a map of the stars. First responders bring hope during Hurricane Katrina. An Indonesian volcano erupts in a shade of blue. (S1, ep 10)

Desert Mysteries: Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah. (S1, ep 8)

Lost at Sea: Witness a remote island linked to one of the world's most famous aviation mysteries and explore thousands of shipwrecks in the Bermuda Triangle. (S1, ep 9)

The Planet Unlocked: The Pyramids of Giza could be a map of the stars. First responders bring hope during Hurricane Katrina. An Indonesian volcano erupts in a shade of blue. (S1, ep 10)