Frozen bubbles in Canadian lakes - Methane gas bubbles underneath Vermillion Lakes in Banff National Park, Alberta, Canada. Normally the bubbles would break the surface but in low temperatures they freeze.
Grand Teton and Wildflowers, Wyoming. By Adam Jones - Pixdaus [Note: this picture is made up of 2 different photographs, one of a flower garden, one of the river/mountain scene. It's still a beautiful result even if it's photoshopped or whatever.