WATCH: Everything you ever wanted to know about mountains

Monday, September 30, 2013, 1:38 PM -

Most people know that Mount Everest is the world's highest mountain, due to the 8850 metres it climbs above sea level.

But do you know what is considered the world's most sacred mountain?

How about the mountain with the largest circumference?

You'll find those answers -- and many more -- in this neat video, recently published by visual.ly. 

So how tall can an Earthly mountain get, anyway?

For that answer, we turn to the popular YouTube channel MinuteEarth: