Pebbled beach of Kaikoura, New Zealand

Lac d'Allos in France's Mercantour National Park -

The Gateway - Bryce Canyon National Park, Utah

Cooks Bay, Moorea Island

Arch near Saint George, Utah

Allgäu, Germany

Glendalough, Ireland

Blyde River Canyon, South Africa

Danxia landform - Zhangye, Province of Gansu, China

Oak Tunnel at Botany Bay, South Carolina

Cueva de los Verdes, Canary Islands

Crater Lake, Oregon, U.S.

Menya River, Papua New Guinea