Sixteen centuries have passed since anyone last had a bath in Heerlen -- at the city’s Roman bath, that is. Ancient Coriovallum’s 2nd-century A.D. thermae are among Holland’s most important classical sites. Heerlen, which back then was a major point on Roman roads, has preserved the remains of the sudatorium (sauna), natatio (swimming pool), and gymnasium. Aided by a sound-and-light show depicting "Lucius the Potter" on his first visit to the bath, you can re-create the intricate ritual of a Roman bath that was such an important part of life in the Empire.