Appalachian Trail, Smoky Mountains, Tennessee

Blue-Green Algae bloom, Lake Erie, US

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

St. Thomas, U.S. Virgin Islands

Northern lights over Sarkofagen, Svalbard, Norway - Autumn 2011

Spearfish Canyon in the fall

Bow Lake, Banff National Park

Hoodoos at Bryce Canyon, Utah

Moraine Lake, Banff National Park, Canada

Thousand Islands Lake, China

Aurora Borealis - Mo i Rana, Norway

Grand Canyon Walls

Angel Falls, Venezuela