Trump Exposed!

Rocky Mountain National Park. Winter.

Rio Grande Wild and Scenic River

Thunder Hole Postcard. Acadia National Park. Maine.

The caves found in the park are said to "breathe.” Air continually moves into or out of a cave, equalizing the atmospheric pressure of the cave and the outside air.

In the 1950s, the NPS investigated the possibility of applying a clear plastic coating to the arch to protect it from further erosion and eventual destruction. The idea was ultimately abandoned as impractical and contrary to NPS principles.

Canyonlands National Park

Monument Valley

Black Canyon of the Gunnison

Mount Whitney is the highest summit in the contiguous United States and the Sierra Nevada, with an elevation of 14,505 feet.

English missionary William Ellis and American Asa Thurston. 1823.

The Columbia empties into the Pacific Ocean just west of Astoria, Oregon, over the Columbia Bar, a shifting sandbar that makes the river's mouth one of the most hazardous stretches of water to navigate in the world.

The Ahwahnechee lived in Ahwahne, known to many as Yosemite Valley, for as long as 7,000 years. The US federal government has evicted Yosemite Native people from the park in 1851, 1906, 1929, and 1969.

Antelope Canyon is a slot canyon in the American Southwest. It is located on Navajo land east of Page, Arizona.

Glacier Bay National Park and Preserve. Alaska.

Within the park there are three distinct ecosystems: sub-alpine forest, temperate forest, and the rugged Pacific Shore. These three different ecosystems are in pristine condition.

Joshua Tree covers a land area of an area slightly larger than the state of Rhode Island. 

Some of the rocks exposed in the park date to over one billion years in age. Rocks within the park were folded, faulted, distorted, and metamorphosed during the late Paleozoic Alleghanian orogeny (325 to 260 million years ago).