Forget the Louvre. Forget the British Museum. Forget the Guggeinheims. Even the Uffizi Gallery. These are the coolest museums in the world.

Sherpa Mingna D or Mingma Gyabu Sherpa is one of the most experienced Sherpas in the world. He’s summited Everest seven times, and has plenty of mountaineering experience beyond Mt. Everest. You might ...