A river of melt water on top of a glacier. There are also rivers that flow under glaciers, and sometimes the rivers on top disappear down and connect with the under glacier rivers. Warming is making glaciers melt faster.
National parks are both the stuff dreams are made of and the places where dreams come true. Photographer Evan Brogan snapped this gorgeous vista of Colorado National Monument shortly after quitting an unfulfilling job and asking his girlfriend to.