Neacola River, Alaska

Sunlight sparkles along the river’s banks and its tidal flats. —Photograph and caption from the National Geographic book  Through the E...

Iniskin Bay, Alaska

The Iniskin River resembles a reflective ribbon of glass as it flows into its namesake bay.

African Lion Mother and Cub, Tanzania

Everything about this photographic moment is tender. The light, the gesture, the color are perfect. But there is also a small detail that...

Victoria Falls, Zambia

In situations that are active and thrilling, surprisingly quiet moments can take place. These moments feel even more powerful because of ...

Silverback Gorilla, Africa

Some photographic moments are memorable because they are so unlikely. It is impossible to look at this wonderful image by Ian Nichols and...

Pictures We Love February

Do Pet the Dinos A young audience reacts with varying amounts of credulity to a carnivorous dinosaur on the prowl in London on Febru...

Sydney Before Earth Hour

Lights from Sydney, Australia's many buildings paint the harbor two days before Earth Hour 2013, which took place on March 23. The ...