National Geographic News

Kongou Falls, Gabon

Photograph by Michael Nichols

The churning waters of Kongou Falls kick up foam and spray as the 2-mile-wide (3.2-kilometer-wide) cataract slices through Gabon's Ivindo National Park. Actually a series of falls along the Ivindo River, Kongou Falls tops 185 feet (56 meters) at its tallest drop.