Abandoned church and graveyard
Abandoned barn, by apricotX @ Flickr - Abandoned by people. Supported by nature. Awesome photo.
The Old Plantation
It looks like a horror movie set, but as strange as it seems, all of what's left in these buildings were used by the students here.
A lot of decorations and haunted houses will appear in yards around Globeville during the month of October, but none of them will be as int.
A room in an abandoned psychiatric hospital. I find this unsettling, but really fascinating too.