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.

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 ...

About a seven-hour drive from Alberta, a visit here makes for an epic road trip. The Grand Prismatic Spring is the largest hot spring in the U.S., tucked away in Yellowstone National Park in Wyoming.

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It turns out that beneath the wild expanse of Yellowstone National Park lies ...

Soar over the dramatic geysers of Old Faithful, the vibrant Grand Prismatic Spring, and the rest of the majestic Yellowstone National Park. Explore the park’s diverse landscapes, abundant ...

Home to Yellowstone's Grand Prismatic Spring, the Midway Geyser Basin leaves visitors in awe of its rainbow-colored pools and powerful geyser. In addition to the Grand Prismatic Spring ...