Yellowstone National Park has the largest number of geysers and geothermal pools in the world and they are also among the most striking. They hiss, spurt, and sparkle in vivid shades of blue, green, pink, and yellow.

Grand Prismatic Spring is the most famous example and can be viewed (at a safe distance) from an overlook.

Liked this? Click the Like button above. And click the Follow button above for more great stories from loveEXPLORING

Now discover 60 more places you won't believe are in the USA

Revealed: The ultimate USA bucket list