Black and white lantern slide aerial view of Nevada and Vernal Falls in Yosemite National Park.

Black and white photograph of Lower Falls, Yellowstone National Park. Taken by Robert Merrill, looking down from brink.

Black and white photograph of Gibbon Falls in Yellowstone National Park.

Black and white photograph of Gibbon Falls in Yellowstone National Park. Gibbon Falls is surrounded by mountains and forest.

Cataract Falls on Mill Creek, the largest waterfall in Cloverdale, Indiana.

Cataract Falls on Mill Creek in Lieber State Recreation Area in Indiana.

Cataract Falls on Mill Creek in Lieber State Recreation Area in Indiana.

Cataract Falls on Mill Creek in Lieber State Recreation Area in Indiana.

Cataract Falls, Eel River, Indiana.

Cataract Falls on Mill Creek in Lieber State Recreation Area in Indiana. Cataract Falls consists of two sets of falls, the larger dropping 20 feet and the smaller dropping 18 feet.

Cataract Falls on Mill Creek in Lieber State Recreation Area in Indiana. Cataract Falls consists of two sets of falls, the larger dropping 20 feet and the smaller dropping 18 feet.

Cataract River, Clifty Falls near Madison, Indiana.