Like nearly every structure in the ancient city of Petra, Ad Deir was carved directly into the sandstone cliff.. See more ...

The first wetland in South Korea to be designated as a Ramsar wetland, the landscape of Suncheon Bay i, the landscape of Suncheon Bay is an ecosystem of tidelands, swamps, and wide . Our image ...

The jewel of Guanacaste Province in northern Costa Rica is the rainforest wilderness called Tenorio Volc.. See more ...

It's hard to fathom the forces of wind and water that created this elephantine formation, especially in th.. See more ...

Our image features a waterline view of an ice floe in Admiralty Inlet off the west coast of Baffin Island. T Our image features a waterline view of an ice floe in Admiralty Inlet off the west coast of ...

Loch Leven, Glencoe, Scotland© ALBAimagery / iStock / Getty Images ...

The Rub' al Khali, meaning 'Empty Quarter' in Arabic, is a vast sea of sand. Spreading across 250,000 sq. Spreading across 250,000 square miles, it's the largest area of continuous sand in the world, ...

Located where the flat plains of Canada's Prairie Provinces give way to the sharply rising Canadian RLocated where the flat plains of Canada's Prairie Provinces give way to the sharply rising Canadian ...

to go backHjelledalen valley near Stryn, Norway ...

Ponta da Piedade, Portugal© fhm / Moment / Getty Images ...

Ama Dablam peak, Nepal© vadim_petrakov / Adobe Stock ...