Yellowstone is the world’s largest active geyser field and the world’s first national park. Altogether there are over 10,000 active geysers including famous thermal features such as Old Faithful, Morning Glory Pool, and the colorful Grand Prismatic. It has one of the world’s largest petrifiied forests, and over 290 waterfalls with the 308′ Lower Falls of the Yellowstone River as its showpiece.
Address: 2 Officers Row, Yellowstone National Park Headquarters, Yellowstone National Park, Wyoming 82190
Coordinates: 44.4280° N, 110.5885° W