| Genre: |
| Built / Opened: 1935 | Abandonment: 14 years |
| Closed: 1998 | Status: Abandoned |
| Age: 77 years | Region: Berlin Germany  |
| Genres: General Hospital, Military Installation | |
| 1 Gallery | |
| Built / Opened: 1861 | Abandonment: 19 years |
| Closed: 1993 | Status: Being demolished or renovated |
| Age: 151 years | Region: Neuruppin, Brandenburg Germany |
| Genres: Military Installation, Arsenal, Residential Home / Community | |
| 1 Gallery | |
| Built / Opened: 1900 | Abandonment: 22 years |
| Closed: 1990 | Status: Being demolished or renovated |
| Age: 112 years | Region: Port Deposit, MD United States of America  |
| Genres: Middle / High School, Military Installation | |
| 1 Gallery | |
| Built / Opened: n/a | Abandonment: 67 years |
| Closed: 1945 | Status: Preserved |
| Age: n/a | Region: Berlin Germany |
| Genres: Bunker / Fortification | |
| 1 Gallery | |
| Built / Opened: 1937 | Abandonment: 70 years |
| Closed: 1942 | Status: Abandoned |
| Age: 75 years | Region: Peenemünde, Mecklenburg-Vorpommern Germany |
| Genres: Military Installation | |
| 1 Gallery | |
| Built / Opened: 1956 | Abandonment: 18 years |
| Closed: 1994 | Status: Abandoned |
| Age: 56 years | Region: Germany |
| Genres: Military Installation | |
| 1 Gallery | |
| Built / Opened: n/a | Abandonment: 67 years |
| Closed: 1945 | Status: Abandoned |
| Age: n/a | Region: Germany |
| Genres: Hospital, Bunker / Fortification | |
| 1 Gallery | |
| Built / Opened: 1817 | Abandonment: 30 years |
| Closed: 1982 | Status: Abandoned |
| Age: 195 years | Region: Liège Belgium  |
| Genres: Military / POW Camp, Bunker / Fortification | |
| 2 Galleries | |
| Built / Opened: 1908 | Abandonment: n/a |
| Closed: n/a | Status: Abandoned |
| Age: 104 years | Region: France  |
| Genres: Military Hospital, Military Installation | |
| 1 Gallery | |
| Built / Opened: 1962 | Abandonment: 14 years |
| Closed: 1993 | Status: Demolished |
| Age: 50 years | Region: Waldorf, MD United States of America |
| Genres: Military Installation | |
| 2 Galleries | |
| Built / Opened: 1542 | Abandonment: 35 years |
| Closed: 1977 | Status: Preserved |
| Age: 470 years | Region: Namur Belgium |
| Genres: Bunker / Fortification | |
| 1 Gallery | |
| Built / Opened: 1908 | Abandonment: 62 years |
| Closed: 1950 | Status: Preserved |
| Age: 104 years | Region: Beacon, NY United States of America |
| Genres: Arsenal | |
| 1 Gallery | |
| Built / Opened: 1942 | Abandonment: 10 years |
| Closed: 2002 | Status: Abandoned |
| Age: 70 years | Region: Taunton, MA United States of America |
| Genres: State School / Developmental Center, Military / POW Camp, Military Installation | |
| 1 Gallery | |
| Built / Opened: 1910 | Abandonment: 94 years |
| Closed: 1918 | Status: Abandoned |
| Age: 102 years | Region: Orangeburg, NY United States of America |
| Genres: Military Installation | |
| 2 Galleries | |
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