Caved in cave. Devetashka, Bulgaria.

The Swiss Alps near Grindelwald

Pomerania, Poland

Athabasca Glacier at night, Jasper National Park

Sunrise at Cathedral Cove Beach , New Zeland

Durdle Door, Jurassic Coast

Desolation Wilderness, Sierra Nevada, CA

Trappers Lake, Colorado

Olympic Peninsula, Olympic National Park, Washington -

El sótano de las golondrinas, San Luis Potosí, México

Saxon Switzerland National Park

Similan Islands of Thailand

Taughannock Falls, NY