Native Americans have lived in Yellowstone for over 11,000 years (there are 26 separate tribes with historical ties to the park), and tourists from all over the world come to see its natural beauty.
Numerous heart-pounding activities, like hiking and whitewater rafting on the Colorado River, may be found at Arizona's Grand Canyon.
Less than 170 miles to the east of San Francisco are the mountains, meadows, enormous sequoia trees, and several waterfalls that make up Yosemite National Park.
All year long, Jackson Hole, Wyoming, offers exciting pursuits. Ski resorts offer lots of powder for skiing, snowshoeing, and tubing in the winter and early spring.
Unavoidable is the splendor of this lake that spans the Nevada-California border.
Even the most jaded tourist will be enthused by Kauai's options for adventure, which include acres of misty jungles, tumbling waterfalls, and oceanside cliffs.