Turquoise ice at Lake Baikal, by Alexey Trofimov

Mt. Hood, OR

Saar river, Western Germany.

A valley in Iceland

Torngat Mountains, Labrador, Canada

Hanging Lake, Glenwood Canyon, Colorado

Tulabi Falls, Nopiming Provincial Park, Manitoba

Mt. Wilbur in Glacier National Park

Pure Serenity - Elk Gap, NC

Cave of three bridges

Salt Flats of Bolivia

Olympic National Park, Washington

Grande Grotta, Kalymnos, Greece.