Konradsberg, Former mental hospital in Kungsholmen, Stockholm, Sweden.
The H-shaped structure features a one-way corridor system with a central clock and a roof lantern decorated with a cross at its highest point.
Construction of Konradsberg began in 1855 under architect Albert Tornqvist's design, reaching completion in 1871 as Stockholm's primary mental health facility.
The structure earned the name 'Lunatic Castle' due to its architectural resemblance to medieval fortifications and its role in psychiatric care.
The facility maintains a surrounding park with mature trees, operating now as part of the Stockholm Institute of Education and Stockholm International Montessori School.
The name originates from Konrad Heijsman, an 18th-century landowner, while its location was selected specifically for its proximity to water bodies.
Location: Stockholm Municipality
Inception: 1871
GPS coordinates: 59.33000,18.01444
Latest update: March 12, 2025 19:36
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