Imagine the toughest thing you've ever done. Now multiply it by 20,000. That’s what nine of your favorite celebrities went through attempting to summit one of the highest and most dangerous peaks in the Peruvian Andes. It’s the competition of a lifetime... with major altitude. ULTIMATE EXPEDITION, a new original series from YouTube Red, is a hosted adventure competition shot in HD, where conquering the mountain is only part of the story. Coming soon.