An ancient collision between continents left a series of fractures in the bedrock around Virginia’s Massanutten Mountains. The event spawned some unusual zig-zagging stretches on the Shenandoah River.
Acquired August 1, 2011, and August 6, 2010, these false-color images compare conditions along the James River, a Missouri River tributary, in South Dakota.
Acquired April 2, 2011, and February 27, 2011, these natural-color images show rising waters on the Kuiseb River, which flowed all the way to the Atlantic Ocean for the first time in decades.
Like many rivers across the world, the Nzoia River in western Kenya pushes over its banks annually. In November 2008, the river burst through the dykes to flood the low-lying land around it.