If you're interested in history and culture, a visit to the Roman ruins in Tarragona is a must. Tarragona, located near Salou, was once the capital of the Roman province of Hispania Tarraconensis. The archaeological site includes well-preserved Roman walls, an amphitheater, a circus, and a forum. Exploring these ancient ruins provides a fascinating glimpse into the Roman era and offers stunning views of the Mediterranean Sea.