#3. Yellowstone National Park, USA
Yellowstone National Park Old Faithful
Yellowstone National Park is the oldest national park in the world, and it’s home to a variety of geothermal features, including geysers, hot springs, and mudpots. Old Faithful is the park’s most famous geyser, and it erupts every 60-90 minutes.
Things to do:
- See Old Faithful erupt.
- Visit the Grand Prismatic Spring, the largest hot spring in the United States.
- Take a hike to see the Lower Falls of the Yellowstone River.
- Visit the Mammoth Hot Springs, where you can see colorful travertine terraces.