Extreme Environments Facts
The most extreme, inhospitable, and awe-inspiring places on the planet.
Deepest Oceans
The Mariana Trench is so deep that if you dropped Mount Everest into it, the peak would still be underwater.
4 reading levels: Rookie · Curious · Sharp · Expert
Tallest Mountains
Everest isn't actually the tallest mountain. It depends on how you measure.
4 reading levels: Rookie · Curious · Sharp · Expert