Namibia's sand dunes in Namib-Naukluft National Park
Wheat Field with Cypresses, 1889, painting by Vincent van Gogh
Red rock reflecting along Colorado River near Moab, Utah, USA
View of Phang Nga bay with mangrove tree forest and hills in the Andaman sea, Thailand
Kahiltna Peaks and Mount Hunter in Denali National Park and Preserve, Alaska, USA
