Many urban explorers seek out abandoned properties to explore, as these locations some times offer beautiful scenes of urban decay and can sometimes be viewed as a sort of time capsule. These locations can often be dangerous, plagued by rotting floors, broken glass, rusty metal or asbestos. Precautions must be taken.
A property can be deemed abandoned if it has been deserted or otherwise entirely forsaken by those who would put the location to legitimate use; this does not include squatters, junkies, or bums.
Unfortunately, abandoned locations are prime targets for vandals or arsonists.
There is a handful of hints one can look out for when searching for abandoned buildings:
Boarded-up or broken windows.
If scouting at night, any building that seems empty and is totally dark.
Open windows in the middle of a freezing winter.
Rust on the moving parts of any locks or doors On the flip side, some signs that the building you're investigating may not be abandoned: