Calanais standing stones on the Isle of Lewis in Scotland on a cloudy day with a blue sky, UK
Mountainous area at Salar de Uyuni, Bolivia
Jungle river stream through green rainforest canopy, French Guiana
Summer Afternoon, painting by Asher Brown Durand, 1865
Salt crystals emerging from the water with mountains in the background, Lake Assal, Djibouti
