Mariana Trench vs. Mount Everest

The highest place on Earth is the summit of Mount Everest, and the lowest point is in the Mariana Trench. While Mount Everest reaches a height of 29,029 feet above sea level, the Mariana Trench reaches a depth of 36,037 feet below sea level, a 65,000-foot difference.

Another way to look at this is the atmospheric pressure at the top of Mount Everest is .3 atm (a third of the pressure at sea level). In contrast, the atmospheric pressure at the bottom of the Mariana Trench can reach over 1,100 atm or 3666 times the pressure of Everest's peak.

On May 29, 1953, Edmund Hillary and Tenzing Norgay were the first humans to reach the top of Mount Everest. Since then, over 4,000 others have completed that task. On January 23, 1960, Jacques Piccard and Don Walsh became the first people to reach the bottom of the Mariana Trench. Since then, only 20 others have ever gone a similar depth.