Belogradchik Fortress
The whole area of Belogradchik town is spectacular with its miles of peculiar rock formations known as the Belogradchik Rocks. Perched on top of one of the rock groups is the Belogradchik Fortress. The fortress is open daily from 9am to 6pm, and the ticket costs BGN 3 (US$1.5).
Belogradchik rocks, Bulgaria, +359 93 630 01