
Mysterious Monuments: Walk along ancient pathways on Easter Island and discover designs carved into Asia's Eastern Steppe as you explore the planet's most puzzling structures. (S2, ep 7)

In Plain Sight: Discover over a hundred massive concrete arrows scattered across America, a mysterious hole in the middle of a lake in Southern California and more. (S1, ep 3)

Mysterious Monuments: Walk along ancient pathways on Easter Island and discover designs carved into Asia's Eastern Steppe as you explore the planet's most puzzling structures. (S2, ep 7)