derelict, spooky stairwell - abandoned gladstone school - pittsburgh, pennsylvania

abandoned abandonment black building chipped cityscape dark derelict deserted discarded empty expedition exploration forgotten forsaken gladstone gray grey hallway hazelwood indoor inside interior lockers neglected paint peeling pennsylvania pittsburgh red relinquished school schoolhouse silver spooky staircase stairs stairwell states united urban urbex vacated vertical view white