Barbarathermen
Trier
The monumental spa complex was the second largest bathing complex in the entire Roman Empire from the 2nd century AD. The Barbara Baths covered an area of 42,000 square meters, which is almost the size of six football fields.
For further information, please visit http://www.zentrum-der-antike.de/en/monuments/the-barbarathermen/the-barbarathermen.html