🎖️ F-4 Object

The F-4 Object is a formerly secret nuclear shelter under the downtown of Budapest. It is located 45-50 metres below the surface, several kilometres long approximately in a "H" shape between Kossuth tér and Szabadság tér. It has a direct connection to the Line 2 of the Budapest Metro and a closed tunnel to the Hungarian Parliament Building. According to other sources, the bunker has a connection with the former headquarters of the Hungarian Working People's Party, and there is no tunnel to the Parliament Building.