Grand Canyon of Yellowstone

The Grand Canyon of the Yellowstone is the primary geologic feature in the Canyon District. It is roughly 20 miles long, measured from the Upper Falls to the Tower Fall area. Depth is 800 to 1,200 ft.; width is 1,500 ...

Old Faithful

Geysers are hot springs with constrictions in their plumbing, usually near the surface, that prevent water from circulating freely to the surface where heat would escape. Increased pressure exerted by the enormous weight of the overlying water prevents the water ...

Bridger-Teton National Forest

The Bridger-Teton National Forest is 3.4 million acres and is adjacent to both Grand-Teton National Park and the National Elk Refuge. The Bridger-Teton has three nationally dedicated wilderness areas, which include the Bridger Wilderness, the Gros Ventre Wilderness and the ...

Dude Ranches: JY Ranch, Bar BC, and Whitegrass Dude Ranch

The first homesteaders moved into the Jackson Hole valley in the 1880s. Many of these settlers quickly realized that the valley was poorly suited to raising crops and livestock. At the same time, wealthy Easterners wanted to enjoy the western ...

UNESCO World Heritage Site- Historic Centre of Riga

Riga was a major centre of the Hanseatic League, deriving its prosperity in the 13th–15th centuries from the trade with central and eastern Europe. The urban fabric of its medieval centre reflects this prosperity, though most of the earliest buildings ...

West Green River Herd

The West Green River Elk herd is regionally significant because it is one of the few herds in Wyoming that does not receive supplemental winter feed and is free of brucellosis. The State of Wyoming manages this herd by ...

Birds of the Aspen and Sagebrush

Diverse plant communities provide food, shelter and nesting sites for the 93 species of birds observed in Fossil Butte National Monument.

Commonly seen birds include: golden eagle, red-tailed hawk, northern harrier, black-billed magpie, common raven, gray jay, green-tailed towhee, ...

Main Body (Wasatch Formation)

This unit of the Wasatch Formation is that part of the formation which produces the

spectacular red-colored badlands in Fossil Butte National Monument. Particularly typical exposures can be seen in the south facing scarp of Fossil Butte where the ...

Adams National Historical Park

Adams National Historical Park was the home of two American presidents and subsequent generations of their descendants from 1720 to 1927. The family's experience represented, shaped, and mirrored significant events in the social, cultural, political, and intellectual history of the ...

Endangered Fish in the Yampa and Green Rivers

Fish populations in the Green and Yampa rivers have undergone significant changes in the last century. Today, more than 50 fish species can be found in these rivers, but fewer than a third of those are native to the Green ...