Museum Menagerie: Historical Photos of the Construction of Early Wildlife Exhibits [Slide Show]
In honor of Darwin's birthday, we take a look back at diverse species being readied for display at the American Museum of Natural History
Stories by Monica Bradley
Building the Hoover Dam Bridge [Slide Show]
A photographic essay captures the construction of a 1,900-foot addition to the iconic American landmark
Unnatural Landscapes: The Human Impact on Earth's Surface [Slide Show]
Edward Burtynsky's photography shows how mining, farming and other industrial activities have altered landscapes around the world
