The Eiger just might be the most iconic climbing face in all of Europe. Located in the Bernese Alps of Switzerland, it is an intimidating 3970 meters (13,025 ft) in height and has been challenging the world's best climbers for more than 150 years. The BBC made an interesting documentary on the beast and you can watch the entire thing on YouTube. The video is below, so pop some popcorn, get comfortable and find out why this is one of the toughest and most well known climbs in all the world.