A disused church would be pretty cool!
I really like the idea of urban exploring and I think it makes for some great photographs. There is another blog somewhere called 'Abandoned' or something and it's just artistic photographs of abandoned houses, warehouses, churches, everything. Stuff like that is really beautiful in a derelict way. I'll try to find the blog and post it.
The closest I've come to urban exploring was climbing up onto this little overhang weird thing which came off a level of a multi-level concrete carpark when I was about 16. It was this little ledge that you had to climb to to get to, but once you got there and sat on it the view was absolutely amazing. You could see the whole town and beyond. As a teenager I used to go there all the time. Wish I had pictures!
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