Tufas at Lake Mono, California

New Melones Lake, Sonora, CA

Tunnel Beach, Dunedin, NZ.

Harmony Farm, Tipp City, Ohio

Gouffre de Padirac - France

Old Man's Cave - Hocking Hills, Ohio

Point Arena, CA

Sikirica Island, Croatia

Sunshine Meadows, Canada

Fly Geyser, Nevada

Kaieteur Falls, Guyana

Grand Lac seen from Col de la Ponsonnière, Hautes-Alpes, France

Blyznytsya Mountains, Ukraine