Who Climbed Everest First + 4 Mind-Boggling Unsolved Mysteries

Mount Everest is the highest point on the planet, and not so many people have managed to climb it. The first duo to have gone down in the history books for reaching Everest's summit were Sir Edmund Hillary and Tenzing Norgay back in 1953. However, there is a tale of another team that could have reached it first almost 30 years earlier. If it's true, then the names of the first two climbers would have been George Mallory and Andrew Irvine.