Lake Tahoe, CA.
by Cameryn Brock (:
submitted by: http://helloolove.tumblr.com, thanks!
Clyde Valley, Scotland  by Stuart Stevenson
uniformitarianism:

Moraine Lake, Banff, Alberta, Canada
Chonchordin Peak, Karokoram, Pakistan by Sylwia Duda
Normandy, France 
Alberta, Canada by Dan Jurak
Frozen Waterfall in Vrbosko, Croatia by Toto
Mongolia from 38,000ft, taken on my iPhone 4 on the way back from China. 
submitted by: http://nikmonroe.tumblr.com, thanks!
Godafoss Falls, Iceland by Paul Gallo
Salzburg, Austria in April 2009
submitted by: http://theflowershop.tumblr.com, thanks!
Pamukkale, Turkey by Gibna Kebira
Cappadocia, Turkey 
Chapel Trojanovice, Czech Republic 
Opaque  by  andbamnan