Cave Painting, Papua New Guinea
Photo: Amy Toensing
For generations people in the region have marked cave walls with stenciled handprints. These prints were made with clay-based paint, but in other caves, crimson stains tell the story of a bloody initiation ritual for young men.
Walrus Skull, Bristol Bay
Photo: Michael Melford
A walrus skull sits alone in a field of wildflowers. Each spring thousands of walruses return to the Walrus Islands in northern Bristol Bay to feed, rest, and sometimes die.
Photo: David Doubilet
Sunlight and shadows highlight a river Bushman in a canoe in the Okavango River. When the river swells and floods, it creates an alluvial fan of more than 10,000 square miles (26,000 square kilometers).
Photo: Michel Giaccaglia
I spent all day in a small hide in the marsh waiting for bears. This female finally appeared during the last flashes of color, about 10 p.m. in northern Finland.