Thanks! The one with the bridge was taken in Quebec outside an aquarium, and the last one is an abandoned mental hospital. It's currently a state
historic site so you're not allowed within 15 feet of the buildings (and obviously not inside of them) but the grounds are open for walking through,
and you can kind of peek through the windows. They used to hold bookfairs there so I've been inside the buildings before, very spooky and beautiful.
Here is a link to the inside of that room from someone else: pics.livejournal.com...
Hopefully the town will keep the building up, they're thinking of converting it or selling it.