Our amazing national parks

The 65-foot tall Delicate Arch is the most widely-recognized landmark in Utah's <b>Arches National Park.</b> (National Park Service)

<b>Theodore Roosevelt National Park</b>. (National Park Service)

Located along the coast of northern California, the <b>Redwood National Parks</b> protects nearly half of all remaining coast redwood forests. These iconic trees are the tallest and one of the most massive tree species on Earth. (National Park Service)

Dante's View, along the crest of the Black Mountains overlooking Death Valley in <b>Death Valley National Park.</b> (National Park Service)

An American crocodile in <b>Biscayne National Park</b>, Flordia. (National Park Service)

Snorkelers observe the Elkhorn coral, is the most widely-recognine of the most important reef-building corals in the Caribbean, in <b>Biscayne National Park</b> of the coast of Florida. (National Park Service)

An aerial perspective of the Totten Key and offshore reefs of the <b>Biscayne National Park</b> in Florida. (National Park Service)

Cataract Canyon, the popular whitewater rafting destination of the Colorado River located within <b>Canyonlands National Park</b>. (National Park Service)

Chesler Park located in the <b>Canyonlands National Park</b> in Utah is considered one of the best hikes in the world. (National Park Service)

The Colorado River in <b>Canyonlands National Park</b>. (National Park Service)

Pothole Point in <b>Canyonlands National Park</b>. (National Park Service)

A foggy <b>Crater Lake National Park</b>. (National Park Service)

Above Golden Canyon in the Badlands of <b>Death Valley National Park</b>. (National Park Service)

An aerial shot of Margerie Glacier in <b>Glacier Bay National Park</b>. (National Park Service)

Avery Peak, part of the <b>Appalachian National Scenic Trail</b>. (Paul Mitchell, Appalachian Trail Conservancy)

The sand dunes of <b>Death Valley National Park</b>. (National Park Service)

Muldrow Gralcier in <b>Denali National Park</b>. (National Park Service)

An ice cave in <b>Glacier Bay National Park</b>. (National Park Service)

Johns Hopkins Glacier of <b>Glacier Bay National Park</b>. (National Park Service)

Yaki Point, on the South Rim of <b>Grand Canyon National Park.</b> (National Park Service)

Though there are mountain lions in <b>Grand Teton National Park</b>, they're a rare sight. (National Park Service)

An old settlement in <b>Grand Teton National Park</b>. (National Park Service)

Lehman Caves in <b>Great Basin National Park</b>. (National Park Service)

Built by the Ancient Pueblo Peoples in Mesa Verde National Park, Cliff Palace is the largest cliff dwelling in North America. (National Park Service)

Lake Crescent in <b>Olympic National Park</b>. (National Park Service)

The sun sets over Olympic National Park. (National Park Service)

The <b>Ozark National Scenic Riverways</b>. (National Park Service)

A red fox in the <b>Rocky Mountain National Park</b>. (National Park Service)

Old Faithful blasts off in 1969 in <b>Yellow National Park</b>. While it isn't the tallest or largest geyser in the park, it's the most predictable, blasting off every 91 minutes. (National Park Service)

The Canyon Narrows in <b>Death Valley National Park</b>. (National Park Service)

An aerial view of Crater Lake, Wizard Island and Mount Scott in <b>Crater Laker National Park</b>. (USGS/Mike Doukas.)

Wizard Island in summer at <b>Crater Lake National Park</b>. (National Park Service)

A storm brews over Badwater Basin in <b>Death Valley National Park</b>. (National Park Service)

Mt. Foraker in <b>Denali National Park</b>. (National Park Service)

The Northern Lights appear in <b>Glacier Bay National Park</b>. (National Park Service)

Mt Brooks in <b>Denali National Park</b>. (National Park Service)

A storm is breaking to the east over Yavapai Point on the South Rim of <b>Grand Canyon National Park</b>. (National Park Service)

A wolf pack surrounds a bison in <b>Yellowstone National Park</b>. (National Park Service)

A starry night over <b>Great Basin National Park</b>. (National Park Service)

A crown of sequoias in <b>Sequoia National Park</b>, home of General Sherman, the world's largest tree. (National Park Service)