Chernobyl

Not to be confused with the other city, Chernobyl.
Chernobyl Power plant aka Sarcophagus is the most dangerous room in the world. If you like being mentally crazy, go ahead and kill yourself here. In 4 minutes, you will have fever. 1 hour tells you hunger and also Rabies, and 2 hours is Diarrhea and Vomit, and also 24 hours is your death. Chernobyl has been aka the “Elephant foot” because even though the area it covered was small, it was ~one ton. Many people built the Sarcophagus to protect.