Haleakala National Park
Preserves the volcanic landscape of Haleakala on Maui and unique ecosystems of Kipahulu Valley and the scenic pools along Oheo Gulch.
Hawaii Volcanoes National Park
International Biosphere Reserve and World Heritage Site features active volcanism and rare vegetation. Elevations range from sea level to 13,677 feet.
Hot Springs National Park
Features 47 thermal springs flowing from the southwestern slope of Hot Springs Mountain.
Isle Royale National Park
The largest forested island in Lake Superior includes 165 miles of scenic hiking trails and opportunities for wildlife observation.
Joshua Tree National Park
Desert park and Biosphere Reserve features a variety of plants and animals, and a representative stand of Joshua-trees.
Katmai National Park and Preserve
Large wilderness area includes lakes, forests, mountains, and marshlands, all with an abundance of wildlife.
Kenai Fjords National Park
Includes one of the four major ice caps in the U.S., the 300-square-mile Harding Icefield, and is home to tens of thousands of breeding birds.
Kings Canyon National Park
The third oldest national park features a rugged canyon and powerful river, waterfalls, and desolate backcountry. It includes Grants Grove and Cedar Grove.
Kobuk Valley National Park
Located entirely north of the Arctic Circle, park features the 25-square mile Great Kobuk Sand Dunes and a variety of wildlife.
Lake Clark National Park and Preserve
Geological diversity includes jagged peaks, granite spires, and two active volcanoes. Lakes and rivers within park are critical salmon habitat.
Lassen Volcanic National Park
Established as a national park due to active volcanism. Lassen Peak erupted intermittently from 1914 until 1921.
Mammoth Cave National Park
The longest recorded cave system in the world includes more than 336 miles explored and mapped.
Mesa Verde National Park
The first cultural park set aside by NPS features the best preserved and most notable pre-Columbian cliff dwellings and other works of early Americans.
Mount Rainier National Park
Featuring the greatest single-peak glacial system in the U.S., park contains vast expanses of pristine old-growth forests and subalpine flower meadows.
National Park of American Samoa
Two rain forest preserves and a coral reef are home to unique tropical animals including the Flying Fox, Pacific Boa, tortoises, and an array of birds and fish.
North Cascades National Park
This wild alpine region features high mountain peaks, waterfalls, and more than 300 glaciers.
Olympic National Park
Pristine wilderness park includes glacier capped mountains, over 60 miles of scenic ocean shore, and stands of old-growth and temperate rain forest.
Petrified Forest National Park
Features one of the world's largest concentrations of petrified wood, Indian ruins and petroglyphs, and portions of the colorful Painted Desert.
Redwood National and State Parks
Features old growth coastal redwood forests and 40 miles of scenic Pacific coastline.
Rocky Mountain National Park
Designated a Biosphere Reserve, park straddles the Continental Divide and features 14,000-foot peaks.
Saguaro National Park
Features the giant saguaro cactus, which may reach a height of 50 feet and is unique to the Sonoran Desert.
Sequoia and Kings Canyon National Parks
The second oldest national park is home to groves of giant sequoias, Mineral King Valley, and Mount Whitney.
Shenandoah National Park
Park's Skyline Drive runs along the crest of a portion of the Blue Ridge Mountains, affording spectacular vistas.
Theodore Roosevelt National Park
Memorializes 26th President for his contributions to natural resource conservation. Features badlands along the Little Missouri River and part of Roosevelt's Elkhorn Ranch.
Virgin Islands National Park
Designated a Biosphere Reserve, park covers about one-half of St. John Island and Hassel Island in St. Thomas harbors.
Voyageurs National Park
One of the few water-dominated parks in the NPS system, it features a variety of islands, coves, and bays scattered within more than 30 lakes.
Wind Cave National Park
Features limestone cave decorated by calcite crystal formations and mixed grass prairie, home to native wildlife.
Wrangell-St. Elias National Park and Preserve
Located at convergence of the Chugach, Wrangell, and St. Elias mountain ranges, the largest unit of the NPS includes Mount St. Elias and numerous glaciers.
Yellowstone National Park
Established in 1872 as the world's first national park, it features more than 10,000 geysers and hot springs, including Old Faithful.
Yosemite National Park
Established in 1890, this Sierra Nevada park features alpine wilderness, groves of Giant Sequoias, and the glacially-carved Yosemite Valley.
Zion National Park
Park includes sheer, vividly-colored cliffs and deep canyons, one of the last mostly free-flowing river systems on the Colorado Plateau, and the richest diversity of plants in Utah.
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