The former administrative building of the Pennhurst State School and Hospital is now the main location for the Pennhurst Asylum, a Halloween haunted event in Spring City, Pa. Coburn Dukehart/NPR hide caption

itoggle caption Coburn Dukehart/NPR

In The Mind's Eye, Oliver Sacks looks at how blind people use other senses to "see" the world, and how people with aphasia and visionary disturbances learn to compensate with their other senses. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Jorge Galleguillos, the 11th miner rescued from the San Jose mine, is carried away on a stretcher after being trapped underground with 32 other miners. Hugo Infante/Government of Chile/AP hide caption

itoggle caption Hugo Infante/Government of Chile/AP

Liz Etmanski (from left) and PLAN co-founders Al Etmanski and Vickie Cammack take a stroll on a beach in Vancouver, British Columbia. Courtesy of the Etmanski and Cammack family hide caption

itoggle caption Courtesy of the Etmanski and Cammack family