kaliakra is a cape in the southern dobruja region of the northern bulgarian black sea coast

africa arch architecture bird birds black breeding bulgarian cape cliff cliffs coast coastline cormorants dobruja dolphins eastern ends europe falcon formation fortification geology grey headland home host kaliakra kavarna kilometres landmark lesser long major mangalia metres migrant migration narrow nature northern observed ocean pontica reaching region reserve rock route ruins saker sand sea shore shrike sits southern southwest spring temple terrain unusual vacation varna vertical wall wood