Great Smoky Mountains, Tennessee

Bimmah Sinkhole, Oman

German Forest @ fall

St Magdalena Village in Val Di Funes, South Tirol, Italy

Colorful Mountain Sunrise

Caved in cave. Devetashka, Bulgaria.

Northern Lights over Tallinn

Alberta Mountains, Canada

Somewhere in Berner Oberland, Switzerland

Arizona's Antelope Canyon

Volcano Anak Krakatau

Montana

Dean's Blue Hole, Long Island, Bahamas.