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.
Old-growth redwood forest, Howland Hill, Jedediah Smith Redwoods State Park. Redwood National Park,Part of gallery of color pictures of US National Parks by professional photographer QT Luong, available as prints or for licensing.