The Karavanks as seen from Zell - Austria

North Cape seen from Knivskjellodden, Norway

Turnip Rock - Lake Michigan

Iliamna Volcano, Alaska. Photo by Michael Melford

Peaks & Valleys - Location Unknown

Rainbow Bridge National Monument, Arizona, United States

Richat Structure (Eye of the Sahara)

Ayr Lake, Baffin Island, Canada

Pebbled beach of Kaikoura, New Zealand

Wilket Creek Park in Toronto, Canada -

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

Stradbroke Island, Queensland

Infrared Island