1. Grand Canyon National Park (Arizona) Known for its immense size and its intricate and colorful landscape, the Grand Canyon is one of the most iconic natural wonders of the world.
2. Yosemite National Park (California) Famous for its breathtaking granite cliffs, waterfalls, giant sequoias, and diverse ecosystems.
3. Yellowstone National Park (Wyoming, Montana, Idaho) The first national park in the world, Yellowstone is renowned for its geothermal features, including geysers, hot springs, and its diverse wildlife.
4. Zion National Park (Utah) Hiking The Narrows, Angels Landing, and scenic drives along Zion Canyon. The park also offers opportunities for canyoneering and rock climbing.
5. Great Smoky Mountains National Park (Tennessee, North Carolina) The most visited national park in the United States, known for its mist-covered mountains and rich biodiversity.
6. Rocky Mountain National Park (Colorado) Trail Ridge Road, Longs Peak, Bear Lake, and the Continental Divide. The park provides opportunities for hiking, camping, and wildlife viewing.