Bulgaria; city of Vidin: Baba Vida Fortress; view on main entrance; on bank of Danube; details on Baba Vida Fortress and Museum (city of Vidin; Bulgaria): Known also as Babini Vidini Kulu; legends wants; that this massive fortification and number one tourist attraction in town goes back to Vida; eldest daughter of a Bulgarian boyar and landowner. Vida did not marry when experiencing the "results" of the marriages of her sisters Kula and Gamza. Instead; she dedicated her life to live here; to fortify the caste and to protect port and town. This clears; why wonderful Baba (Grandma; "Granny") Vida has still a glorious reputation in town. Rudiments of a church (13th/14th century) have been found. Also; last Bulgarian medieval king Ivan Stratsimir lived in the castle. After the disastrous battle of Nicopolis (Bulgaria) in 1397; the crusade of Stratsimir and Hungarian King and German Emperor Sigismund came to e an end. Ottomans took over the area. While the legend goes back to feudal Bulgarian times; the origin of the castle is ancient Roman (1st century AD) and was named Bononia. It was part of the fortification system along Danube Limes and Via Istrum (Danube Way); the Roman military way along the river. Bulgarian medieval defense works started in second half of 10th century on the walls and bastions of ancient Roman Bononia fortress and were extended in main building phase of 12th to 14th century. A moat (12 m wide; 6 m deep); filled with Danube water protected the giant ensemble (9.5 ha; 70 m x 70 m square shaped ground). Turkish military brought in cannons and fortified the castle again in 17th to 19th century. Archeological researches took place 1956 - 1962. Today; even Hollywood film industry has discovered the castle and uses it for producing international blockbusters. In summer time; Baba Vida is also used for open air performances (live music; ballet; folklore dances). The open-air theatre (350 seats) in Baba Vida castle is also used during the traditional Vi