1) Yellowstone National Park: Known for its geothermal features such as Old Faithful, as well as wildlife like bison and elk.
2) Yosemite National Park: Home to towering waterfalls, giant sequoias, and stunning granite cliffs.
3) Grand Canyon National Park: A breathtaking wonder of nature with deep canyons and rock formations.
4) Zion National Park: Famous for its towering red rock formations and stunning hiking trails.
5) Acadia National Park: Located in Maine, Acadia offers beautiful views of the Atlantic Ocean and rugged coastal terrain.
6) Rocky Mountain National Park: A beautiful destination for hiking and wildlife spotting in Colorado.
7) Glacier National Park: Known for its stunning scenery, hiking trails, and wildlife such as grizzly bears and mountain goats.
8) Joshua Tree National Park: A desert landscape with unique rock formations, stunning sunsets, and stargazing opportunities.
9) Great Smoky Mountains National Park: A beautiful destination for camping and hiking in the Appalachian Mountains.
10) Arches National Park: Located in Utah, Arches boasts over 2,000 natural stone arches, as well as stunning red rock formations and hiking trails.