A U.S. EPA report stated that 55% of U.S. rivers are in bad condition. View this beautiful interactive map for inspiration to protect these waterways.

Rivers cut, slice and even behead — as one of Earth's most powerful forces, these waterways have gathered lingo that rivals the most gory fantasy novels. IE 11 is not supported.

Map Shows Every River That Flows to ... It drains nearly 40 percent of the contiguous United States—1.2 million ... The chart below, which shows the world’s principal rivers and mountains, ...

Mountains, valleys, rivers, lakes—become the master of your own topographic creations with an augmented reality sandbox. This project uses a Kinect camera, a projector, a big tub of sand, and ...