Air date: 2023-04-02

Runtime: 44 min

Aerial cameras reveal strange aquatic mammals populating a river in Columbia, a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast, a Boeing 727 jetliner hidden in a pine forest. Plus, a giant, unusual pattern is discovered in the Nevada desert.

Air date: 2023-04-09

Runtime: 44 min

Malta loses a natural treasure, an enormous fiery vortex is seen in California and a mysterious radioactive hotspot is found near Chernobyl.

Air date: 2023-04-16

Runtime: 44 min

Explore a long-forgotten network of Native American earthworks, a battlefield mystery in Belgium and a mysterious blood red lake on a Greek island.

Air date: 2023-04-23

Runtime: 44 min

Discover an underwater find from a violent past, a mysterious concrete 'ghost island' and never-before-seen tracks along the seabed.

Air date: 2023-04-30

Runtime: 44 min

Strange aquatic mammals populating a river in Colombia, a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast, a Boeing 727 jetliner hidden in a pine forest, and a unusual pattern is discovered in the Nevada desert.

Air date: 2023-05-07

Runtime: 44 min

The view from above reveals; the skeletal remains of an enormous ancient reptile, a colossal head carved into the Badlands of Alberta, a giant footprint in the wilds of South Africa, and gigantic, mysterious Pentagram in Kazakhstan.

Air date: 2023-05-14

Runtime: 44 min

Cameras capture the world from fresh and exhilarating perspectives. The planet's most puzzling structures are revealed, including ancient pathways criss-crossing Easter Island, gigantic designs carved into Asia's Eastern Steppe, and a tall pyramid rising from Antarctica's icy landscape.

Air date: 2023-05-21

Runtime: 44 min

Visits to some of the most cavernous places on Earth, including Greenland's bizarre black holes, an ancient forbidden well in the Yemeni desert and a voluminous void in Antarctica.

Air date: 2023-05-28

Runtime: 44 min

Cameras capture the world from fresh and exhilarating perspectives. Drones explore strange geological occurrences, unique man-made structures, curious creatures and lost civilizations, revealing fascinating insights and never-before-seen footage.

Air date: 2023-06-04

Runtime: 44 min

Cameras capture evidence of ancient civilizations. Featuring a mysterious Norwegian mound, a pre-historic stone circle on the banks of the Tagus River and a lost city in the very cradle of civilization.