Barrett’s Haunted Mansion in Abington, Massachusetts Join us for season 34 with all-new terrors in both attractions! Barrett’s Haunted Mansion Attractions Barrett’s Haunted Mansion: Enter the Unknown Hidden deep in the woods, an abandoned cement bunker sits rotting beneath the trees – its true purpose long erased. Locals whisper of experiments, disappearances, and voices that echo from behind the rusted door. Step inside, but beware: once you enter the unknown, you may never find your way out. Outpost 34 At Outpost 34, the wind howls through the desolate, ice-crusted corridors. Read more…