8Yellowstone National Park, Wyoming/Montana/Idaho

Yellowstone National Park, the world’s first national park, is a natural wonderland filled with geysers, hot springs, waterfalls, and wildlife. Spread across Wyoming, Montana, and Idaho, this park is famous for its geothermal features, including the iconic Old Faithful geyser, which erupts regularly. The colorful Grand Prismatic Spring is another standout, with its brilliant hues of blue, green, and orange. Yellowstone is also a haven for wildlife, including bison, elk, and bears. Whether you’re hiking through the park’s vast wilderness, camping under the stars, or simply marveling at its unique landscapes, Yellowstone is a must-visit for nature lovers.