Zion

Zion
Located at the junction of the Colorado Plateau, Great Basin, andMojave Desert, this geological wonder has colorful sandstone canyons, mountainous mesas, and countless rock towers. Natural arches and exposed plateau formations compose a large wilderness roughly divided into four ecosystems: desert, riparian, woodland, and coniferous forest.  - Wikipedia

Yosemite

Yosemite
Among the earliest candidates for National Park status, Yosemite features towering granite cliffs, dramatic waterfalls, and old-growth forests at a unique intersection of geology and hydrology. Half Domeand El Capitan rise from the park's centerpiece, the glacier-carvedYosemite Valley, and from its vertical walls drop Yosemite Falls, North America's tallest waterfall....

Yellowstone

Yellowstone
Situated on the Yellowstone Caldera, the park has an expansive network of geothermal areas including vividly colored hot springs, boiling mud pots, and regularly erupting geysers, the best-known being Old Faithful and Grand Prismatic Spring. The yellow-huedGrand Canyon of the Yellowstone River has a number of scenicwaterfalls, and four mountain...

Wrangell–St. Elias

Wrangell–St. Elias
An immense plot of mountainous country protects the convergence of the Alaska, Chugach, and Wrangell-Saint Elias Ranges, which include many of the continent's tallest mountains and volcanoes, including the 18,008-foot Mount Saint Elias. More than a quarter of the park is covered with glaciers, including the tidewater Hubbard Glacier, piedmont...

Wind Cave

Wind Cave
Wind Cave is distinctive for its calcite fin formations called box work and needle-like growths called frostwork. The cave, which was discovered by a sound like that of wind coming from a hole in the ground, is the world's densest cave system. Above ground is a mixed-grass prairie with animals...

Voyageurs

Voyageurs
This park protecting four lakes near the Canadian border is a site for canoeing, kayaking, and fishing, and preserves a history populated by Ojibwe Native Americans, French fur traders called voyageurs, and ambitious gold-miners. Formed by glaciers, the region features tall bluffs, rock gardens, scenic islands and bays, and several...

Virgin Islands

Virgin Islands
The island of Saint John has rich human and natural histories. Taínoarchaeological sites and ruins of sugar plantations from Columbus' time litter the coast. Past the pristine beaches are mangrove forests, seagrass beds, coral reefs, and vast algal plains.  - Wikipedia

Theodore Roosevelt

Theodore Roosevelt
This region that enticed and influenced President Theodore Roosevelt consists of a park of three units in the northern badlands. Besides Roosevelt's historic cabin, there are numerous scenic drives and backcountry hiking opportunities. Wildlife includes American bison, pronghorn, bighorn sheep, and wild horses.  - Wikipedia

Shenandoah

Shenandoah
Shenandoah's Blue Ridge Mountains are covered by sprawling hardwood forests that teem with tens of thousands of animals. TheSkyline Drive and Appalachian Trail run the entire length of this narrow park, along with more than 500 miles (800 km) of hiking trails passing scenic overlooks and cataracts of the Shenandoah...