Kaieteur Falls, Guyana

Durdle Door, Jurassic Coast

The Flatirons with sunset. Boulder, Colorado.

Stevens Arch, near the mouth of Coyote Gulch, Utah.

Hardangerfjord, Hordaland, Norway.

Mayon Volcano's Perfect Cone, Philippines

The Trou de Fer canyon on Reunion Island, Madagascar

Backwaters of Kovalam, Kerala, India.

Verzasca river, Ticino, Switzerland

Landslide Lake, Vancouver Island, Canada

Boracay Islands, Philippines

A lake in the Uinta Mountains, Utah

Purnululu National Park, Australia