Aconcaugua — billed as the highest webcam in the world. The site says it's a live camera "updated each 3 minutes" from 11AM to 8PM Argentina time, but the camera is turned off until next climbing season.
"Una vista excelente de la Bahia Varese y Cabo Corrientes, tomando el Boulevar Maritimo y a la derecha el Maral 39. Fecha de comienzo de transmisión: 23/04/2005. Agradecemos a Daysi que colabora con su fantástica vista."
This webcam offers a view of the Cerro Uritorco, a very famous mountain for UFO sightings. Uses Java. If it shows long periods of white space, try manually refreshing the image.
This site features several different live WebCams, all from the Caribbean island of Bonaire, known for its nature and great diving and snorkeling. The most noteworthy is the one showing South Beach.
The Panama Canal Authority provides 4 cameras — Miraflores & Gatun Locks, Centennial Bridge, and a view of the canal expansion activities. Cameras autorefresh typically at 20-second intervals.
You now have to install a Flash player to view the images.
This site, run by the Tierra del Fuego Institute of Tourism, shows a view of a mountain called Ushuaia at the southern tip of South America. It also offers a series of calendar images and older photo archives, plus tourist información.