#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 '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.

#3 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.

#4 boats on the water with mountains and trees surrounding

North Cascades National Park

WA · 16,485 visitors/yr

Room to Breathe

Three hundred glaciers carve through jagged peaks three hours north of Seattle, the most glaciated terrain in the Lower 48.

#5 Aerial view of the Alatna River as it winds through a valley

Gates Of The Arctic National Park & Preserve

AK · 11,907 visitors/yr

Room to Breathe

Six million acres where caribou migrations follow ancient routes and the Brooks Range rises through valleys most will never reach.

#6 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.

#7 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.

#8 View from forest floor looking straight up. Ferns as seen close up and redwood trunks meet.

Redwood National and State Parks

CA · 623K visitors/yr

Comfortable

The world's tallest trees stand in groves you can walk through on level trails, three hours north of San Francisco with a third the crowds.

#9 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.

#10 View from above the trees looking down at Duncan Bay Narrows, trees, Lake Superior, and Canada.

Isle Royale National Park

MI · 28,806 visitors/yr

Room to Breathe

Remote Lake Superior island where wolves, moose, and backpackers share 165 miles of trail. No roads, no cell service—just forest camps.