The Midway Geyser Basin's Grand Prismatic Spring is the largest hot spring in Yellowstone and one of the largest hot springs in the world. Measuring approximately 370 feet in size and around 121 ...

The Grand Prismatic Spring is the largest hot spring in the U.S., tucked away in Yellowstone National Park in Wyoming. The park is known far and wide for its beauty, with lots to explore while on ...

Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in North America and the third-largest in the ...

How the Grand Prismatic Spring Gets Its Kaleidoscopic Colors The beating heart of Yellowstone National Park is without a doubt the Grand Prismatic Spring—the largest hot spring in the U.S.

If visitors look closely, they’ll see small black creatures hunting and scavenging in and around the springs — a stunning feat of survival, given the high temperatures.  These are wetsalts tiger ...