The Eiger, Switzerland

Wrangell St. Elias National Park, Alaska

Mirror Lake, Yosemite National Park

Five Lakes Basin, California

The coast of Porticcio, Corsica

Snow on Sandstone Monocline, West of Kayenta, Navajo Nation, Arizona

Jiuzhaigou Valley, Autumn 2012, China

Rainbow at Yellowstone

Iliamna Volcano, Alaska. Photo by Michael Melford

Niagara Falls, Canada

Morning sun spilling into Forney Creek, at Great Smoky Mountains National Park, Tennessee

Bubble Pond Acadia Park

Japanese Maple Tree, 'Inner Peace' by Peter Lik