Dubrovnik is best known by its distinctive Old Town all surrounded by the Walls of Dubrovnik. Totaling 1940 meters in length, the walls are the main attraction of Old Town Dubrovnik with a complex system of forts, casemates, bastions, towers, and detached forts. It is a wonderful experience to walk down the Walls of Dubrovnik and must-do thing when visiting Dubrovnik.