Fortresses
Ancient Fortress Almus
The Ancient Fortress of Almus is located in the present-day city of Lom, in the residential quarter of Kaleta.
Lyutitsa Fortress
Lyutitsa Fortress is located 5 km southwest of Ivaylovgrad, near Roman Armira Villa.
Thracian Cult Complex Senoklas
The Thracian Cult Complex of Hisarya is situated on the top of the Hisarya hill in the eastern Rhodope mountain, by the village of Senoklas.
Roman town of Deultum
The village of Debelt is situated 17 km south-west from Burgas.
Nikopolis ad Istrum
The ruins of the Roman and Early Byzantine town of Nikopolis ad Istrum are situated at about 20 km north of Veliko Tarnovo, on the road for Ruse, and 3 km southeast of the village of Nikyup.
Medieval Fortified Town of Cherven
The medieval fortified town of Cherven is situated at a distance of about 30 km south from the town of Ruse, within the borders of Rusenski Lom Natural Park.