In 1888, a Celtiberian burial site was discovered near the town of Saelices inside of a cave, containing human remains and artifacts dating back to the Bronze Age. Gradually, architectural relics from the Roman era were unearthed in the surrounding area. This wasn’t just a burial site; this was one of the most important cities in the ancient Roman world. Originally a Celtic settlement, Segóbriga was conquered by the Roman Republic in the second century B.C. and became its oppidum. Public baths, city walls, an acropolis, and a massive amphitheatre…