Experience an unforgettable holiday in Europe on Norwegian Sky. Visit Casablanca's central market, a massive kaleidoscope of colours, and see the modernist landmark of the Hassan II Mosque, the world's 3rd largest mosque. Savour a day touring Cádiz with a visit to the bustling Mercado Central de Abastos - a covered market boasting more than 150 stalls selling fresh seafood and delicious local cuisine - and recline on one of the town's many beautiful beaches. Tour architectural wonders in Valencia, Spain's 3rd largest city.