#1 Rocky coastline with palm trees and a cliff beyon

Hawaiʻi Volcanoes National Park

HI · 1.4M visitors/yr

Moderate Crowds

Two active volcanoes shape terrain from tide pools to alpine desert. Walk across recent lava flows and through rainforests on ancient rock.

#2 A deep canyon with a forested floor and steep granite cliffs

Sequoia & Kings Canyon National Parks

CA · 2.0M visitors/yr

Comfortable

The giant sequoias here include General Sherman, the largest tree on Earth by volume, anchoring a forest where trunks exceed 30 feet wide.

#3 El Capitan with blooming claret cup cacti

Guadalupe Mountains National Park

TX · 226K visitors/yr

Comfortable

Texas's highest peaks rise from a 265-million-year-old fossil reef in the Chihuahuan Desert, holding more species than any Texas park.

#4 The canyon glows orange as people visit Mather Point, a rock outcropping that juts into Grand Canyon

Grand Canyon National Park

AZ · 4.9M visitors/yr

Moderate Crowds

The Colorado River carved through two billion years of rock to create a chasm one mile deep and 277 miles long at the South Rim.

#5 Two tall waterfalls flowing down snow covered granite walls.

Yosemite National Park

CA · 4.1M visitors/yr

Comfortable

Granite cliffs rise 3,000 feet, seasonal waterfalls drop half a mile, and giant sequoias reach into the Sierra sky in this iconic valley.

#6 A triangular sandstone mountain overlooks green and yellow foliage. A cloudy blue sky is overhead.

Zion National Park

UT · 4.9M visitors/yr

Very Crowded

Red cliffs rise 2,000 feet above the Virgin River, where Angels Landing's chain climb and The Narrows' slot canyon wade draw crowds.

#7 'Ahinahina blooms in Haleakala crater

Haleakalā National Park

HI · 732K visitors/yr

Very Crowded

A dormant volcano where you stand above the clouds at 10,000 feet, then descend through alpine desert to rainforest in a single morning.

#8 Steep, rugged ocean cliffs extending in an island chain.

Channel Islands National Park

CA · 263K visitors/yr

Comfortable

California's Galápagos lies 12 miles offshore with 145 endemic species. Sea lions, island foxes, and rare seabirds inhabit five islands.

#9 A crowd of people sit and watch the sunset at delicate arch.

Arches National Park

UT · 1.5M visitors/yr

Very Crowded

Over 2,000 natural stone arches carved from red sandstone—the world's highest concentration—including the iconic Delicate Arch.

#10 Large mountains dotted with snow loom above a rocky meadow filled with yellow flowers.

Glacier National Park

MT · 3.2M visitors/yr

Comfortable

Twenty-six glaciers remain from the 150 that once filled these valleys. Going-to-the-Sun Road climbs past Logan Pass to the evidence.