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.
Various views of Tierra del Fuego, at the southern tip of South America. This travel agency site now offers a webcam, but its main focus is still the previous seven days of images and older archives.
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.