Natural limestone structures at Nambung National Park, Western Australia

Oasis with lake in the Libyan Desert

Yamdrok-tso Lake, Tibet.

Everest against the Milky Way

Sheosar Lake, Pakistan

A farmer walks past a terrace of codonopsis pilosula, a traditional Chinese medicine also known as dang shen, in Min county, Gansu province

Seongsan Ilchulbong peak. Jeju, Korea

El sótano de las golondrinas, San Luis Potosí, México

Erosion on the slopes of a volcano near Ankisabe, Madagascar

Greenland is icy

Painted Desert, John Day Fossil Beds National Monument

Small village in Vang Vieng, Laos

Mt. Pangasugan. Leyte, Philippines