Aired: Feb 10, 2015A 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.
Streaming in:
Romania
Can't find where to watch What on Earth? from United States?
Use a VPN service like NordVPN to unlock access to streaming sources from any region worldwide.
Seasons: 12
Network: Science
Production Country: United States
Genres:Documentary