If you want to visit the deepest canyon in the world, you’re going to have to venture to Tibet to see the Yarlung Tsangpo. At its deepest, this canyon reaches 25,000 feet deep. The area around the Yarlung Tsangpo is unspoiled and highly remote. If you’re lucky, you might spot the takin, a mammal similar to the goat, which is endemic to the area. Because the canyon is so vast, it has significantly different climate zones. You can find yourself in sub-tropical temperatures in one area of the canyon while experiencing arctic-like conditions at its higher peaks.