Fall colors at a stream near Milford, New Hampshire.

Torngat Mountains, Labrador, Canada

Turquoise ice at Lake Baikal, by Alexey Trofimov

Oxtongue Rapids, Canada

Goreme, Turkey

Black's Beach from the top of the cliffs, San Diego, CA

Yushan National Park, Taiwan

A valley in Iceland

Fjallabak, Iceland

Mysterious Mountains

Lake Baikal, Russia

Lake Louise

Valle Los Gigantes, Córdoba, Argentina