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 feet ...

See Yellowstone National Park’s most colorful hot springs from a great vantage point when you hike the Grand Prismatic Spring Overlook Trail. This easy trail takes hikers across the Firehole River ...

It's not hard to find natural wonders within Yellowstone National Park, but the park's largest hot spring might be the most remarkable, and not just for its size: dubbed the Grand Prismatic Spring, ...

Grand Prismatic Spring is a highlight of any visit to Yellowstone National Park! The largest hot spring in the park, the deep blue pool, is surrounded by yellow and orange algae. This is a spot you ...