The tallest mountain in the world is Mount Everest. It stands at an elevation of 8,848.86 meters (29,031.7 feet) above sea level, making it the highest point on Earth. Located in the Himalayas on the border between Nepal and the Tibet Autonomous Region of China, Everest attracts thousands of climbers each year, ranging from experienced mountaineers to novice adventurers. The first successful ascent was achieved in 1953 by Sir Edmund Hillary and Tenzing Norgay. Climbing Everest poses many challenges, including extreme weather, altitude sickness, and technical climbing skills, making it a formidable achievement in the world of mountaineering.