Stretching over 42,000 square meters, it is the largest Roman bath north of the Alps.

along with a burst of building activity including a new bridge, an amphitheater and large forum.

[8] A marble torso of an Amazon warrior, now in the Landesmuseum Mainz, indicates that the bath complex would have been elaborately decorated with imported statues from Italy.

[1][9] But the complex fell out of use during the early fifth century as Trier was repeatedly sacked during the Migration Period.

Later in the Middle ages fortifications were installed in the ruins as seen in Matthäus Merian and Alexandre Wiltheim's drawings.