ENGLISH As the Roman Empire expanded through Europe, there were built prodigious structures to construct their cities. RTVE.es Lab has developed a webdoc that complements the documentary TV show Ingeniería Romana (Roma Engineering) and allows to experience with Virtual Reality and Augmented Reality how were built places as the circus, the forum, the amphitheater and the religious building of Tarragona (Spain). It is a journey guided by characters of the Roman world that lead users through scenarios that combine 360 degrees videos and 3D reconstructions of the ancient empire. The experience becomes totally immersive with VR glasses.