Various Webcams

National Zoo
http://nationalzoo.si.edu/Animals/WebCams/

National Park
http://www2.nature.nps.gov/air/WebCams/index.htm

South Pole
http://www.cmdl.noaa.gov/obop/spo/livecamera.html

Monterey Bay Aquarium
http://www.mbayaq.org/efc/cam_menu.asp