We embarked on an intense and exhilarating adventure, descending 450 feet down a waterfall inside a massive 30-mile-long cave ...

At over 130 feet high, it's the tallest indoor waterfall in the world ... Part luxury mall and part indoor rainforest, here's a look inside the complex making layovers more fun.

Videos from Yosemite National Park show the iconic "Firefall" phenomenon glowing at Horsetail Fall inside the park.