The sky in the ground. Yellowstone National Park

Northern Lights over Tallinn

Volcanic Iceland

Cueva de los Verdes, Canary Islands

Little Cedar Creek, Flatside Wilderness, Arkansas

Richardson's Grove State Park, California

Beautiful Bryce Canyon

Bourke's Luck Potholes, Blyde River Canyon, South Africa

Point Arena, CA

Ngarchelong, Palau

Nahanni National Park

Crooked Forest; West Pomerania, Poland

Kronotsky volcano, Russia