Many first-time Yellowstone Park visitors are surprised to learn the spray from Yellowstone geysers that reaches them on the boardwalks can be cool and refreshing on a hot summer day. But if you think about it, that superheated water (hotter than the normal boiling point of water due to underground pressure) is tossed high into the air as tiny droplets that cool quickly. A hundred feet up and a hundred feet back down can cool a fine mist in a hurry, giving adventurous Yellowstone visitors the chance to experience a unique shower. Continue Reading →