Bunkermuseum Frauenwald, Cold War bunker museum in Thuringian Forest, Germany

Bunkermuseum Frauenwald is a former government command center hidden underground in Thuringia with preserved workspaces, sleeping quarters, and communication systems. The underground complex shows how an East German administrative facility operated during the Cold War.

The bunker, codenamed "Trachtenfest", was built between 1973 and 1975 alongside the army recreation home in Frauenwald under the direction of the Ministry for State Security. It served as the wartime alternative command post for the chairman of the Suhl district operational leadership and up to 130 people could survive inside for a year, or six to eight days after a nuclear attack. After 1989 it lost its function and parts of its technology were dismantled before reunification; a neighbouring hotelier bought it and opened it as a museum in 2004.

The bunker's cover name was "Trachtenfest" (traditional costume festival), chosen to disguise a 3,600 m² command facility built 1973–1975 under the forest hotel Rennsteighöhe. Above ground, technical equipment such as the antenna vehicle for the party's directional radio network was hidden inside a storage hall. Today the private museum, opened in 2004, offers guided tours and overnight stays in the bunker as a "time travel" history lesson.

The museum is only accessible by guided tour, so visitors should plan ahead and reserve time for about two hours. Underground temperatures remain cool year-round, making warmer clothing a practical choice.

Visitors can choose to spend the night in the original sleeping quarters, experiencing firsthand what living in this underground world felt like. This overnight option provides direct insight into the isolation and conditions that officials faced.