Download the App Arqueo Tours (iOS and Android) and you will be able to access explanatory contents of the World Heritage monuments of the Roman city of Tarraco. You will be able to know ancient remains that are hidden under the streets and buildings of the current city of Tarragona.  You will be able to know the exact place where important Roman archeological pieces were found.  

With the free version you can enjoy 20 locations throughout the city. With the annual subscription you will be able to enjoy all the locations, more than 175 with more than 450 thematic files, as well as two pre-established routes through the Upper Part and the Lower Part of the city.