You can learn about the history of Tarragona with a stop at Monumento a los Castellers. While you're in the area, stroll along the beautiful beaches.
If seeing the sights is on your list of things to do, head to Tarragona Amphitheatre— just one of the landmarks located 0.5 mi (0.8 km) from central Tarragona. Hotels.com travelers also say the area is walkable and has lots of nice beaches.