
A colossal tsunami hangs suspended, its fury held in check, while a mysteriou...
A NASA astronaut's discovery of a ring-shaped formation in Lake Baikal's ice from the International Space Station sparks the uncovering of more enigmatic features on the world's oldest and most captivating lake.
Seasons: 12
Current Status: Returning Series
Network: Science
Production Country: United States
Genres:Documentary
At the present time, viewers have the opportunity to enjoy "What on Earth?" completely free of charge, though with occasional advertisements, on the following streaming platforms: Now TV.