Yosemite National Park, one of California's most visited national parks, is distinguished for its abundance of magnificent waterfalls.
The 2.2 million-acre Yellowstone could exist on its own for its distinctive natural features and diversified terrain even if it weren't the world's first national park.
This national park, which spans two mountain ranges and has more than 700 lakes, is characterised by water and mountains.
The Grand Canyon is so breathtaking that even the best photographs cannot do justice to the enormous splendour of the Arizona park; you must see it for yourself.
This national park in Utah is a thrill-delight. seeker's Hike Angels Landing, which ascends by a roughly 1,500-foot-long stairway.
This Wyoming park, formerly home to ranchers and fur trappers, today provides more than 200 miles of trails that wind across plains.
Hoodoos are oddly-shaped rock pillars left standing by erosion, and Bryce Canyon has the largest collection of hoodoos in the world.
The Rockies get several marks for their accessibility. Located about 70 miles northwest of Denver, the region is easily accessible for a day trip.
The park is an ideal destination for trekkers, rock climbers, and hikers, as well as photographers, due to the oddly formed sandstone formations that dominate the landscape.
Great Smoky Mountains National Park, spanning over 500,000 acres in North Carolina and Tennessee, provides numerous chances for animal watching and hiking.