The Salmon River in Idaho, one of the longest free-flowing rivers in the United States, rushes through a geologic wonderland of wooded ridges, eroded bluffs, and stone towers and crags.
Corrientes, Argentina (sits on the east bank of the Paraná River, South America’s third largest river. Corrientes is located just inside Argentina, across the river from the southwestern tip of Paraguay.
This false-color image from April 1, 2002, shows numerous braided channels and oxbow lakes along the Songhua River in northeastern China, just upstream of the city of Harbin.
The Green River in eastern Utah once carved soft sediment into meanders on a floodplain. Then the land and mountains rose and the river dug deep, preserving those meanders in stone.