Answer: prisons

AnswerCrossword Clue
PRISONSCooler places?
prisonsPRISON, to imprison (to confine (to shut within an enclosure))
prisonsplace where criminals are confined
PRISONSHacks' workplaces
PRISONSSites of many bars?
PRISONSSlammers
PRISONSPlaces found up the river?
PRISONSJails
PRISONSWhere people do stretches
PRISONSJoints
PRISONSAttica and San Quentin
PRISONSSites of many bars
PRISONSAttica and Newgate
PRISONSFolsom et al.
PRISONSDartmoor and Old Bailey.
PRISONSLockups.
PRISONSBastilles.
PRISONSAtlanta, Leavenworth, etc.
PRISONSPlaces where cell phones are prohibited?
PRISONSSing Sing et al.