timg
This is a really nice and simple idea: view photos from a specific place taken at a specific time. Voyeuristic fun.
Constant Setting
This URL displays a picture of a sunset (from Flickr) taken wherever the sun is setting right now.
Related links
ISS Star Trails - a set on Flickr
Beautiful time-lapse photography from Don “we’ve got a Dragon by the tail” Pettit, taken from the International Space Station.
Photos taken in Brighton on Flickr!
Flickr Places. This is what George announced at dConstruct. It's enthralling: interestingness mashed up with geotagging.