Looking for adventure? A climb up El Capitan at Yosemite National Park is the ultimate thrill. Not for the novice, this climb is for the extreme adventurer looking for the extreme vacation. If you prefer something a bit tamer, how about swimming with dolphins in Hawaii? A vacation in Waikoloa on the Big Island with its blue waters and white sands can easily include sharing a pool with these playful creatures, which enjoy the company as much as you will. No matter which end of the adventure spectrum is for you, you're sure to find a great Marriott vacation here!