A walk along the city's ramparts is the most iconic sightseeing experience in Dubrovnik. The 1-mi/2-km walk along the top of the walls offers the best possible rooftop and sea views and affords great photo opportunities. The main access points are the Pile or Ploce gates or the entrance beside the aquarium. Daily 9 am-dusk; July and August daily 8 am-8 pm. 20K.