Begliktash
The Thracian megalithic sanctuary of Begliktash is located 5 km north of the town of Primorsko, at the foot of the Strandzha mountain. The sanctuary consists of a central part and two circles of smaller structures around it with a total area of about 6 acres. The place is the spiritual center of the Thracians. It also contains 16 stone features that resemble those at Stonehenge and display the Thracian calendar.