Bolshoy Dom

Bolshoy Dom, located at 4 Liteyny Avenue in Saint Petersburg, is a significant administrative facility that serves as the headquarters for the local branches of the Federal Security Service and the Ministry of Internal Affairs. Constructed in the early 1930s in the late Constructivist style, it has a rich history tied to the Soviet secret police, originally serving the OGPU and later the NKVD and KGB. The building is notorious for its association with the Great Purge and has become a focal point of urban legends, including tales of secret underground floors and its survival during the Siege of Leningrad due to the presence of German POWs. Its intriguing past makes it a point of interest for both tourists and researchers exploring the history of Soviet-era architecture and security forces.