Canyonlands National Park
Our National Park System is a true treasure. Here's 10 great reasons to visit it right now.
More than 440,000 people visit the Canyonlands Nationa Park -- located in Southwest Utah -- every year and it's easy to see why: Dramatic arches and serpentine slot canyons are only matched by the intense colors of the desert rock.
READ MORE: Your Guide to the Canyonlands National Park
Acadia National Park
Though Acadia National Park is perched on the coast of the Atlantic Ocean, it is characterized by its mountains: Craggy knobs that spring up in dome-like shapes from the coast. This makes for great hiking only a few steps away from incredible sea kayaking.
READ MORE: Everything You Need to Know About National Parks
Glacier National Park
Tucked against the borders of Montana and British Columbia, Glacier National Park is one of the more remote in the system. It is also one of the largest, covering more than 1,000,000 acres, which includes parts of two mountain ranges, over 130 named lakes, more than 1,000 different species of plants and hundreds of species of animals.
READ MORE: 5 Reasons to Visit Glacier National Park in Winter
Arches National Park
More sandstone arches and towers can be found, not surprisingly, in Arches National Park. The park -- which is also located in Utah -- is home to the famous "Delicate Arch" which hangs improbably over a deep valley.
READ MORE: Rock Climbers Build an Epic 150′ Rope Swing in Utah (Video)
Yellowstone National Park
Yellowstone National needs no introduction: It was the world's first and is famous for its abundance of wildlife and unusual volcanic terrain.
READ MORE: What You Need to Know Before Visiting Yellowstone National Park
READ MORE: Why You Should Wait for Winter to Visit Yellowstone
Great Sand Dunes National Park
Great Sand Dunes National Park looks like a scene from the Sahara or Gobi desert -- but this incredible place is, in fact, nestled in the Rocky Mountains of Colorado.
Zion National Park
Zion National Park contains the unique intersection of the Colorado Plateau, Great Basin, and Mojave Desert -- making it a place of astounding biological and geological diversity.
READ MORE: Everything You Need to Know Before Visiting Zion National Park
READ MORE: A Quick History of Zion National Park
Yosemite National Park
Yosemite National Park was declared a World Heritage Site in 1984. The granite cliffs, waterfalls, giant sequoia trees, and rich biological diversity draw more than 3.7 million visitors each year.
READ MORE: In Yosemite, a Waterfall That Glows Like Molten Lava
READ MORE: Spectacular Time-Lapse Video of Yosemite Is Mind-Blowing, Took Two Years to Film
Grand Canyon National Park
The park that gets its name from the namesake canyon is a must-see on any National Parks hit list. Though most people are content with the view from the rim, Grand Canyon National Park is actually home to some extremely rugged and remote terrain for the more adventurous.
READ MORE: Everything About the Grand Canyon
Joshua Tree National Park
Last but certainly not least is Joshua Tree National Park -- named for the unusual tree that populates the desert there. This unusual tree -- something that looks like it came from a Dr. Suess book -- must be seen to be believed.
READ MORE: The 10 Best Hiking Spots in the United States
Check out More Slideshows from Discovery.com...
How to Brew Your Own Beer (in an Apartment)
Best and Worst of Summer Blockbusters: What To See, What To Skip, Who To Watch for
8 Surprisingly Fuel-Efficient Luxury Cars
The Wildest Places Left on Earth