Beryl Spring, located between Mammoth Hot Springs and Madison Junction in Yellowstone National Park, was named for the ...

The Midway Geyser Basin's Grand Prismatic Spring is the largest hot spring in Yellowstone and one of the ... The center looks blue, but actually isn't – the blue wavelengths of light are ...

Morning Glory Pool, a hot spring that quietly bubbles in Yellowstone ... blue and relatively clear. However, by the latter half of the 20th century, the hot spring had acquired several new colors ...

BEN PIERCE, Chronicle Outdoors Editor Oct 30, 2014 Oct 30, 2014 Deep in the backcountry of Yellowstone National ... Biology Institute. The spring has a crystal blue center ringed by orange and ...