| Built / Opened: 1848 | Abandonment: Unknown |
| Closed: N/A | Status: Abandoned |
| Age: 162 years | Location: United States of America  |
| Genres: State School / Developmental Center / Training Center | |
| 1 Gallery | |
| Built / Opened: 1922 | Abandonment: 18 years |
| Closed: 1992 | Status: Abandoned |
| Age: 88 years | Location: Belchertown, MA |
| Genres: State School / Developmental Center / Training Center | |
| 1 Gallery | |
| Built / Opened: 1917 | Abandonment: 20 years |
| Closed: 1990 | Status: Abandoned |
| Age: 93 years | Location: United States of America |
| Genres: State School / Developmental Center / Training Center | |
| 1 Gallery | |
| Built / Opened: 1928 | Abandonment: 18 years |
| Closed: 1992 | Status: Demolished |
| Age: 82 years | Location: Waltham, MA |
| Genres: Psychiatric | |
| 2 Galleries | |
| Built / Opened: 1901 | Abandonment: 37 years |
| Closed: 1973 | Status: Abandoned |
| Age: 109 years | Location: United States of America |
| Genres: Psychiatric | |
| 1 Gallery | |
| Built / Opened: 1923 | Abandonment: 11 years |
| Closed: 1999 | Status: Demolished |
| Age: 87 years | Location: South Bend, IN |
| Genres: Industry / Manufacturing | |
| 1 Gallery | |
| Built / Opened: 1856 | Abandonment: 17 years |
| Closed: 1993 | Status: Being demolished or renovated |
| Age: 154 years | Location: Northampton, MA |
| Genres: Psychiatric | |
| 5 Galleries | |
| Built / Opened: 1923 | Abandonment: 18 years |
| Closed: 1992 | Status: Abandoned |
| Age: 87 years | Location: Hanson, MA |
| Genres: Sanitarium (Tuberculosis etc) | |
| 1 Gallery | |
| Built / Opened: 1907 | Abandonment: 18 years |
| Closed: 1992 | Status: Abandoned |
| Age: 103 years | Location: United States of America |
| Genres: Sanitarium (Tuberculosis etc) | |
| 2 Galleries | |
| Built / Opened: 1904 | Abandonment: 14 years |
| Closed: 1996 | Status: Abandoned |
| Age: 106 years | Location: Preston, CT |
| Genres: Psychiatric, Criminal / Forensic Psychiatric | |
| 1 Gallery | |
| Built / Opened: 1915 | Abandonment: 25 years |
| Closed: 1985 | Status: Abandoned |
| Age: 95 years | Location: United States of America |
| Genres: Power Plant / Generating Station | |
| 1 Gallery | |
| Built / Opened: 1847 | Abandonment: 14 years |
| Closed: 1996 | Status: Demolished |
| Age: 163 years | Location: Warwick, RI |
| Genres: Amusement Park / Theme Park | |
| 1 Gallery | |
| Built / Opened: 1859 | Abandonment: 26 years |
| Closed: 1984 | Status: Demolished |
| Age: 151 years | Location: Pittsburgh, PA |
| Genres: Psychiatric | |
| 1 Gallery | |
| Built / Opened: 1874 | Abandonment: 18 years |
| Closed: 1992 | Status: Renovated |
| Age: 136 years | Location: Danvers, MA |
| Genres: Psychiatric | |
| 2 Galleries | |
| Built / Opened: 1886 | Abandonment: 18 years |
| Closed: 1992 | Status: Being demolished or renovated |
| Age: 124 years | Location: Springfield, MA |
| Genres: Local / County Jail | |
| 1 Gallery | |
| Built / Opened: 1918 | Abandonment: Unknown |
| Closed: Unknown | Status: Being demolished or renovated |
| Age: 92 years | Location: United States of America |
| Genres: Power Plant / Generating Station | |
| 1 Gallery | |
| Built / Opened: Unknown | Abandonment: Unknown |
| Closed: Unknown | Status: Being demolished or renovated |
| Age: Unknown | Location: Staten Island, NY |
| Genres: Nautical | |
| 1 Gallery | |
| Built / Opened: 1889 | Abandonment: 34 years |
| Closed: 1976 | Status: Renovated |
| Age: 121 years | Location: Foxboro, MA |
| Genres: Psychiatric, Inebriate Asylum | |
| 2 Galleries | |
| Built / Opened: 1908 | Abandonment: 60 years |
| Closed: 1950 | Status: Preserved |
| Age: 102 years | Location: Beacon, NY |
| Genres: Military Installation / Arsenal | |
| 1 Gallery | |
| Built / Opened: 1887 | Abandonment: Unknown |
| Closed: N/A | Status: Abandoned |
| Age: 123 years | Location: United States of America |
| Genres: Psychiatric | |
| 1 Gallery | |
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