The Rhodope Crystal Hall is one of the best sights of the town of Madan. It was founded in 1984, stores 581 mineral specimens, and is a member of the International Association of Mineralogical Museums.
The hall is at 1 Yavor Str., in the centre of the town of Madan, at a distance of 110 km from the town of Plovdiv, 42 km from the town of Pamporovo, 30 km from the town of Smolyan and 25 km from the town of Zlatograd.