During your time in port in Valencia, explore the city with a 24-hour ticket aboard a hop-on hop-off bus tour. On this shore excursion, create your own itinerary as you travel around Valencia in an open-top, double-decker bus, hopping off whenever you’d like to see all the main sights, such as the City of Arts and Sciences (Ciudad de las Artes y las Ciencias), the UNESCO World Heritage-listed Silk Exchange (La Lonja) and the Congress Palace (Palacio de Congresos). Upgrade your tour to visit the Valencia Oceanographic, an aquarium and marine park at the City of Arts and Sciences. The largest aquarium in Europe, the Oceanographic is home to more than 45,000 animals from 500 different species.