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Calcite Springs
This grouping of thermal springs along the Yellowstone Riv...
Grand Canyon of Yellowstone
The Grand Canyon of the Yellowstone is the primary geologi...
Lamar Buffalo Ranch
The extermination of bison herds throughout the West in th...
Bannock Trail
15,000 years ago, glaciers and a continental ice sheet cov...
Yellowstone Lake
With a surface area of 132 square miles, Yellowstone Lake ...
Mammoth Hot Springs Terraces
As one early visitor described the Mammoth Hot Springs ter...
Wolves in the Northern Range
The gray wolf was present in Yellowstone when the park was...
Norris Geyser Basin
Norris Geyser Basin is the hottest, oldest, and most dynam...
Handkerchief Pool
One hundred years ago, one of the most famous attractions ...
Mammoth Post Office
Yellowstone’s main post office was one of 1,007 post offic...
Results for A
Calcite Springs
This grouping of thermal springs along the Yellowstone River signals the downstream end of the Grand Canyon of the Yellowstone. The geothermally altered rhyolite inspired the artist Thomas Moran; his paintings of this scene were among those presented to Congress ...
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 ...
Lamar Buffalo Ranch
The extermination of bison herds throughout the West in the 1800s nearly eliminated them from Yellowstone; even after the park was established in 1872 poachers faced few deterrents. With only 25 bison counted in the park in 1901, Congress appropriated ...
Bannock Trail
15,000 years ago, glaciers and a continental ice sheet covered most of what is now Yellowstone National Park. They left behind rivers and valleys people could follow in pursuit of Ice Age mammals such as the mammoth and the giant ...
Yellowstone Lake
With a surface area of 132 square miles, Yellowstone Lake is the largest lake at high elevation (i.e., more than 7,000 ft.) in North America. It is a natural lake, situated at 7,733 ft. above sea level. It is roughly ...
Mammoth Hot Springs Terraces
As one early visitor described the Mammoth Hot Springs terraces, "No human architect ever designed such intricate fountains as these. The water trickles over the edges from one to another, blending them together with the effect of a frozen waterfall." ...
Wolves in the Northern Range
The gray wolf was present in Yellowstone when the park was established in 1872. Between 1914 and 1926, at least 136 wolves were killed in the park; by the 1940s, wolf packs were rarely reported. By the mid-1900s, wolves had ...
Norris Geyser Basin
Norris Geyser Basin is the hottest, oldest, and most dynamic of Yellowstone's thermal areas. The highest temperature yet recorded in any geothermal area in Yellowstone was measured in a scientific drill hole at Norris: 459°F (237°C) just 1,087 feet (326 ...
Handkerchief Pool
One hundred years ago, one of the most famous attractions in Yellowstone was a small spring called Handkerchief Pool. Visitors threw dirty handkerchiefs into the water. The cloths were sucked into the depths, only to emerge a few minutes later, ...
Mammoth Post Office
Yellowstone’s main post office was one of 1,007 post offices constructed from 1935 to 1938 “with a view to relieving countrywide unemployment.” Using standardized plans developed from guidelines provided by the Treasury Department, these post offices were built in sizes ...
