Yellowstone National Park Wyoming Bison Geyser Keychain

A bison grazes while a geyser steams in the background in Yellowstone National Park. Yellowstone National Park, located primarily in Wyoming with parts in Montana and Idaho, was established in 1872 as the first national park in the world, celebrated for its geothermal features and diverse wildlife. Key sights include Old Faithful, the iconic geyser, and the Grand Prismatic Spring, known for its vibrant, rainbow-colored waters. Visitors can also explore the stunning Grand Canyon of the Yellowstone, Lamar Valley for wildlife viewing, and the scenic Yellowstone Lake, the largest high-altitude lake in North America.