An Extremely Creepy Tour of an Abandoned Soviet Monument in Bulgaria Remember those derelict Bulgarian war memorials that resemble space fortresses? Well, it turns out they're just as otherworldly inside. Here's one intrepid urban explorer's journey into the shadowy corridors of the shuttered Bulgarian-Soviet Friendship memorial in Varna, Bulgaria. It's also a case study on why you never tour old Soviet monuments alone. In its Communist heyday, the "Park-Monument of the Bulgarian-Soviet Friendship" contained an eternal flame, a bomb shelter, and a tourism center. Loudspeakers would also blast Dmitri Shostakovich's Symphony No. 7 on constant loop. The center opened in...