Baptistery of the Basilica of Santa Maria Assunta

Located directly across from the main basilica, this archaeological site features a historic octagonal baptistery. Visitors can also explore the South Hall, which showcases ancient mosaic floors.

Viewers express great admiration for Aquileia, praising it as a breathtaking open-air museum experience. Commenters note that it is largely free and easy to explore in a single day, with many expressing love for the region and highlighting nearby spots like Grado.