Visit The Tarragona Cathedral, Cloister and Diocesan Museum, one of the jewels of Tarragona heritage (World heritage UNESCO). Enjoy a visit to the largest cathedral in Catalonia and embark on a journey which will take you through 2,000 years of its history, art and architecture. Situated in the center of the ancient Roman city Tarraco, it is a must-see place at Costa Dorada, and a great day trip from Barcelona.