Tufas at Lake Mono, California

The coast of Porticcio, Corsica

Waterfalls of Iguazu National Park, Argentina

Great Falls, Virginia

The Everglades

Ancient Bristlecone Pine forest on White Peak

Old Man's Cave - Hocking Hills, Ohio

Yosemite, California

The base of Wind River Peak in the Wind River Range, WY

Anderson Falls. Indiana

Cave of three bridges

Sunset Cliffs, San Diego, California

Old Faithful, Yellowstone National Park