Devetashka Cave, Bulgaria
Devetashka Cave, Bulgaria
Moraine Lake (Banff National Park) - Alberta, Canada -
The Northern Lights in Tromsø, Norway
Carlsbad Caverns
Yosemite, California 2012
Light and Shadow - Santa Rosa Plateau
Tahiti, French Polynesia
Letchworth State Park; Castile, NY, USA
Uvac River Canyon, Serbia
Hidden Beach on Marieta Islands, off the coast of Puerto Vallarta, Mexico
Valley in Iceland
Guadalupe River State Park, Texas