It's hard to imagine, but once, during the heyday of the Roman Empire, this small village near the Adriatic coast and the island of Grado (which served as its port and port) was a lively Roman trading city that Second Rome was also called!<br><br>Aquileia is an archaeological site of exceptional importance which is part of the UNESCO World Heritage Site. It is possible to visit the excavations and ancient remains of the Roman Forum, the necropolis and the imposing structures of the old river port.<br><br>Do not miss the magnificent early Christian Basilica of Santa Maria Assunta, where you can admire the largest mosaic floor of the western Christian world, an important stage in the history of European art.<br><br>In no other city - with the exception of Rome - early Christianity is present as here.