Blue beach, Ibiza, Spain

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

Blue Ice Cave, Antarctica, December 2011.

Hang son doong, Vietnam

The Wave. Coyote Buttes, Arizona

Saar River, Germany

Ban Gioc Waterfall, Vietnam

Abruzzo National Park, Italy

Malibu, CA

Winter in Shirakawa-go, Japan

Plitvice Lakes, Croatia

Ayder Yaylasi, Rize, Turkey

Mount Taranaki, NZ