Devetashka Cave, Bulgaria

Lighthouse, Kauaii

Jenolan Caves, Blue Mountains, NSW, Australia

White Pocket, Arizona

Golden field

Simultaneous Moonrise and Sunset over a lake in Lehtisaari - Finland

Five dead trees in front of a massive sanddune

Dinaric Alps, Montenegro

Montana

Hokitika Gorge, West Coast, New Zealand

Tree on Enchanted Rock near Fredericksburg, Texas

Green Mountains, China

Lone tree, landscape from New Zealand