instagram:

Grand Prismatic Spring

Want to see more? Browse beautiful photos at Yellowstone National Park, as well as #grandprismaticspring!

Located in Yellowstone National Park, Grand Prismatic is the largest hot spring in the United States — third largest in the world — spanning 80 by 90 meters (250 by 300 feet). The spring’s picture perfect vivid colors are the result of hard working pigmented bacteria that grows around the edges of the mineral-rich water, and the center of the pool is completely sterile due to extreme heat.