Mount Everest, Earth’s highest mountain, needs no introduction. At 29,032 feet, it sits not only at the top of the world, but also at the top of countless bucket lists. Our 60 Minutes crew starts the journey to Everest Base Camp by flying into one of the most dangerous at one of the most dangerous airports in the world. It will be a 10-day trek. An unusual challenge: dodging animals. When you hear the warning bells attached to the animals, you get out of the way fast. | 60 Minutes

The Everest base-camp trek takes days and over 100 kilometers of hiking. Along the journey, teahouses provide a hot meal and a warm bed. But the porters, who carry upwards of 45 kilograms each day, usually stay in separate lodging from the climbers who hire them. And at over 4,200 meters, getting anything to a teahouse, whether on back or by yak, is a logistical nightmare. So, what's it like inside these teahouses? And how do you run a business at the top of the world? | Insider Travel