Null Stern Hotel
Canton of Appenzell Innerrhoden, Switzerland
The Null Stern Hotel is a former nuclear bunker converted into a hotel, now a museum. A prototype opened in Teufen, Appenzell Ausserrhoden, Switzerland on June 5, 2009, and was transformed into a museum in June 2010. Future hotels are under planning in urban locations.
Hotel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).