Mountain in Gates of the Arctic National Park, Alaska

Ptarmigan Lake, Glacier National Park. Via The Real Good Times blog

The Gateway - Bryce Canyon National Park, Utah

Appalachian Trail, Smoky Mountains, Tennessee

The Grand Canyon Walls

Lake Sørvágsvatn on the Faroe Islands

Ayr Lake, Baffin Island, Canada

Summer night in Seydisfjordur, Iceland.

Tetiaroa Atoll, French Polynesia

An ancient tree on the rim of Oregon's Crater Lake at twilight

The Sierra Nevadas in the Springtime

Painted Desert, John Day Fossil Beds National Monument

Mountains reflected in the Snake River in Grand Teton National Park, Wyoming