The most popular Roman buildings among all classes of citizens were the public baths which by the end of the republic, were a recognized feature of Roman life. The best baths that are still present today are the baths of Caracalla and the Diocletian. The baths consisted of hot and cold water, steam rooms, library and gyms to exercise. I would say in modern day now what we call a spa. The Diocletian was built after the Caracalla and was also much bigger. The water fed was provided by Aqua Marcia and Marcian an aqueduct. both of the baths had presences of statues and elaborate niches along the walls, and Arches everywhere. The creation of these baths show how much the romans were advanced in creating water paths and heating systems to create
