Most popular science center BulgariaSmolyan Province Science center Smolyan province Science center Smolyan Province mapSee on the map Smolyan province science center by popularity rating +PROGLEDBulgariaRozhen National Astronomical Observatory See science center in other regions Gabrovo Province Haskovo Province Smolyan Province Sofia Varna Province Other categories:LookoutsMuseumsWaterfallsGorgesNatural history museumsCavesBaths
