Churches, Rectories, Nunneries
All manner of religious structures, which seem to be abandoned in greater and greater numbers these days.
Commercial
Commercial structures...company headquarters, office buildings, and light manufacturing.
Hospitals
Mental and physical health facilities.
Hotels
Various houses of lodging and leisure.
Industrial
Working structures.
Miscellaneous
Miscellaneous sites which do not fit in to another category.
Schools
Educational Institutions.
Theaters
Theaters and other performance spaces.
Transportation
Transportation Infrastructure.