Hole in the Wall, South Africa

Jiuzhaigou Valley Pond, China

Sunrise over Big Bend Ranch State Park, TX

Whitehaven Beach, The Whitsundays, Australia

Lightning flashes around the ash plume of the Puyehue-Cordon Caulle volcano chain near Entrelagos, Chile.

Northern Lights over Tallinn

Blue-Green Algae bloom, Lake Erie, US

County Fermanagh, Northern Ireland

Ngoronggoro crater, Tanzania

Blue Ice Cave, Antarctica, December 2011.

Mountains across a meadow in Stowe, VT.

Artist's Point, Monument Valley, Arizona

Beautiful street nook in Chefchaouen, Morocco