IMG_1809 July 6, 2016 3024 × 4032 Turkey: Pamukkale, Hieropolis, & Laodicea Construction for the Roman Baths at Hieropolis began in Hadrian’s time (117 – 138 A.D.). These barrel vaults likely led to the caldarium (hot room). The newly roofed portion of the bath (upper right corner) now holds the museum.