You may spot Santa Maria de Tortosa Cathedral from a distance before you actually find this incredible building. Look around inside if the doors are open or just admire the facade from outside.
If you're staying a while in Tortosa, Santa Maria de Tortosa Cathedral is a fine place to kick off your exploring. This principal church is one of many attractions that'll keep you on the go here. La Suda Castle, The Royal Schools and the Renaissance Interpretation Centre, and Monument a la Batalla de l’Ebre are also waiting to be explored close by.