7Yellowstone National Park, Wyoming, Montana, Idaho

Established as the world’s first national park in 1872, Yellowstone is a crown jewel of natural wonders.

Boasting geothermal features like Old Faithful and colorful hot springs such as the Grand Prismatic Spring, the park is a geothermal wonderland. Visitors can also marvel at the majestic wildlife, including bison, elk, wolves, and bears, while exploring its vast wilderness.