| Genre: |
| Built / Opened: 1870 | Abandonment: 43 years |
| Closed: 1970 | Status: Abandoned |
| Age: 143 years | Region: Ferrara Italy  |
| Genres: State School / Developmental Center, Sanatorium / Isolation Hospital | |
| 1 Gallery | |
| Built / Opened: 1892 | Abandonment: 29 years |
| Closed: 1984 | Status: Abandoned |
| Age: 121 years | Region: Goslar, Niedersachsen Germany  |
| Genres: State School / Developmental Center, Sanatorium / Isolation Hospital | |
| 1 Gallery | |
| Built / Opened: 1910 | Abandonment: 20 years |
| Closed: 1993 | Status: Abandoned |
| Age: 103 years | Region: United States of America  |
| Genres: State School / Developmental Center, Sanatorium / Isolation Hospital, Juvenile Detention Center | |
| 2 Galleries | |
| Built / Opened: n/a | Abandonment: 22 years |
| Closed: 1991 | Status: Being demolished or renovated |
| Age: n/a | Region: United States of America |
| Genres: Psychiatric Hospital, State School / Developmental Center, Juvenile Detention Center | |
| 2 Galleries | |
| Built / Opened: 1922 | Abandonment: 28 years |
| Closed: 1985 | Status: Abandoned |
| Age: 91 years | Region: Marriottsville, MD United States of America |
| Genres: State School / Developmental Center, Sanatorium / Isolation Hospital | |
| 1 Gallery | |
| Built / Opened: 1872 | Abandonment: 6 years |
| Closed: 2000 | Status: Being demolished or renovated |
| Age: 141 years | Region: Canonsburg, PA United States of America |
| Genres: State School / Developmental Center, Juvenile Detention Center | |
| 1 Gallery | |
| Built / Opened: 1913 | Abandonment: n/a |
| Closed: n/a | Status: Abandoned |
| Age: 100 years | Region: Vineland, NJ United States of America |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1893 | Abandonment: n/a |
| Closed: n/a | Status: Abandoned |
| Age: 120 years | Region: Germany |
| Genres: Psychiatric Hospital, State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1852 | Abandonment: n/a |
| Closed: n/a | Status: Abandoned |
| Age: 161 years | Region: United States of America |
| Genres: State School / Developmental Center, Almshouse / Farm Colony | |
| 1 Gallery | |
| Built / Opened: 1907 | Abandonment: 19 years |
| Closed: 1994 | Status: Abandoned |
| Age: 106 years | Region: Exeter, RI United States of America |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1929 | Abandonment: n/a |
| Closed: n/a | Status: Being demolished or renovated |
| Age: 84 years | Region: Shenley, Hertfordshire England  |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1903 | Abandonment: n/a |
| Closed: n/a | Status: Being demolished or renovated |
| Age: 110 years | Region: England |
| Genres: Psychiatric Hospital, State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1868 | Abandonment: 16 years |
| Closed: 1997 | Status: Being demolished or renovated |
| Age: 145 years | Region: Teddington, Surrey England |
| Genres: Psychiatric Hospital, State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1777 | Abandonment: 28 years |
| Closed: 1978 | Status: Demolished |
| Age: 236 years | Region: Great Barr, Walsall England |
| Genres: State School / Developmental Center, Residential Home / Community | |
| 1 Gallery | |
| Built / Opened: 1848 | Abandonment: n/a |
| Closed: n/a | Status: Abandoned |
| Age: 165 years | Region: United States of America |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1922 | Abandonment: 21 years |
| Closed: 1992 | Status: Abandoned |
| Age: 91 years | Region: Belchertown, MA United States of America |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1917 | Abandonment: 23 years |
| Closed: 1990 | Status: Abandoned |
| Age: 96 years | Region: United States of America |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| Built / Opened: 1889 | Abandonment: n/a |
| Closed: n/a | Status: Renovated |
| Age: 124 years | Region: Foxboro, MA United States of America |
| Genres: Psychiatric Hospital, State School / Developmental Center, Inebriate Asylum | |
| 2 Galleries | |
| Built / Opened: 1942 | Abandonment: 11 years |
| Closed: 2002 | Status: Abandoned |
| Age: 71 years | Region: Taunton, MA United States of America |
| Genres: State School / Developmental Center, Military / POW Camp, Military Installation | |
| 1 Gallery | |
| Built / Opened: 1888 | Abandonment: n/a |
| Closed: n/a | Status: Abandoned |
| Age: 125 years | Region: United States of America |
| Genres: State School / Developmental Center | |
| 1 Gallery | |
| All content © opacity.us unless noted otherwise | contact the administrator |