The sky in the ground. Yellowstone National Park

Sierra Nevada, California

Cueva de los Verdes, Canary Islands

Mt. Albert, Lake Wanaka, NZ

Zion National Park, Angels Landing trail

Lençóis Maranhenses, Brazil

Alki Beach, Seattle -

Drakensberg Mountains, Southern Africa

Baishui River, Lijiang; Yunnan Province, China

Cabos San Lucas, Mexico

Fort Bourtange fort in, Bourtange, Groningen, Netherlands

Yellowstone, Wyoming

The French Alps seen from Geneva, Switzerland under heavy clouds at sunrise