The Grand Prismatic Spring is very well known as the third largest in the world following Frying Pan Lake in New Zealand (the second) and Boiling Lake in Dominica (the first). It is the largest hot spring in the United States which located in Yellowstone National Park in the Midway Geyser Basin and its real address is at Grand Loop Rd, Yellowstone National Park, WY 82190, United States.
This natural wonder is very popular for its beautiful colors which match the rainbow dispersion of white light by an optical prism: red, orange, yellow, green, and blue. The Grand Prismatic Spring is one of the most popular attraction in USA for tourists to visit and see this amazing nature on earth.
Photo: Jan Kronsell
Photo: David Monniaux
Photo: Brocken Inaglory