From abandoned psychiatric hospitals to gothic-style prisons, explore an assortment of reportedly haunted locations with the aggressive Ghost Adventures crew, who take guided tours at each site and then brave frightening dusk-to-dawn lockdowns. Hosted by Zak Bagans, Nick Groff and Aaron Goodwin, this freaky reality series arms the paranormal investigators with digital thermometers, EMF meters, audio recorders and infrared night-vision cameras.