Antarctica is larger than the USA and Mexico combined, and yet, we still know next to nothing about what’s hidden behind its menacing ice wall. So, what’s actually lurking down near the south pole? Well, Gold-spurting volcanos, human skulls and blood-flowing waterfalls, for starters.

We’re about to find out even more in the following video. Here’s 10 reasons why no one is allowed over the ice wall in antartica. Enjoy!