History

Of every hotel in Yellowstone National Park, Mammoth has undergone the most changes over time, in both shape and name.

In the early days of the Park, the “Wylie Way” was a popular way to visit, especially for tourists who could not afford the larger hotels. Today, we might think of these tourist camps as “glamping.” All, or at least most, of the comforts of a hotel, while still experiencing the outdoors. William Wallace Wylie was a schoolteacher in Bozeman, …

Giant Geyser is the central geyser of the Giant Group, which includes Mastiff Geyser and Bijou Geyser. In a “normal function eruption,” only Giant erupts, which means it will usually be shorter in terms of time and plume size, attaining 150 feet. Meanwhile, during a “Mastiff function eruption,” where Mastiff erupts alongside Giant (and sometimes Bijou), making Giant rocket upwards …

The massive 7.2-magnitude Hebgen Lake earthquake on August 17, 1959 is still affecting the Yellowstone National Park region, according to a team of geophysicists at the University of Utah, who say a swarm of up to 3,000 events near Maple Creek from June 2017 to June 2018 is tied to that event.

When President Ulysses S. Grant signed the Yellowstone National Park Protection Act into law on March 1, 1872, he created the National Park Service — as well as creating America’s First National Park, Yellowstone National Park.

Yellowstone National Park’s Steamboat Geyser has long held the title of “World’s Tallest Geyser.”

Early expeditions were the foundation for the signing of the Act of Dedication on March 1, 1892, establishing Yellowstone National Park!

Imagine taking a 20-day, 157-mile horseback trip through Yellowstone National Park.

For the 1871 Hayden Survey, William Henry Jackson took photographs throughout Yellowstone.  Between 2011 and 2013, Jackson, Wyoming photographer Bradley Boner traveled around the Park and re-shot nearly every image taken by Jackson.

The namesake of Baronette Peak – early Yellowstone National Park character John “Yellowstone Jack” Baronett.