There's a run-down apartment near me that I've squatted in.
Why would you like to squat in a run down apartment?
I just enjoy the act of doing so.
You shouldn't squat somewhere that isn't your property. If caught, you could have the authorities called on you. You'll be removed from the premise and possibly arrested for trespassing.
It was only a squatting spot. No one will find out.
What will you do if they find out? They'll run you out, and you could face legal charges. It doesn't sound worth it to me.