14:49

I Had to See Why They Built Steps to a Cave No One Can Reach

19:05

I Found a Bizarre Dark Spot on the Edge Of The Grand Canyon

27:21

Why is there so much GOLD in the Fraser River?

24:34

Exposing the Secrets of an Impossible Geologic Formation

22:53

The Bisti Badlands. I went deep into this labyrinthine New Mexico wilderness where nobody else goes.