Aquae Calidae, Bulgaria Aquae Calidae, Bulgaria Aquae Calidae (Latin for warm waters), also known as Therma and Thermopolis in the Middle Ages, was an ancient town in Thrace located in the territory of today's Bulgarian port city of Burgas. It was built around thermal baths using the hot springs and became one of the most important spa centres of ancient times. The site and baths of Aquae Calidae have been visited in the course of history by several important rulers from Philip II of Macedon to the Eastern Roman emperors Justinian I and Constantine IV, the Bulgarian ruler Terwel and the Ottoman Sultan
Gilsland Spa Gilsland Spa Gilsland Spa is the present-day name of a hotel at Gilsland, Cumbria, England. It is named from the sulphurous spring which issues from a cliff below the hotel. The original hotel was called The Shaws, from an Old English word meaning a small woodland, and was built in the 1760s, although the site and its surrounding farmland have been known by this name since at least 1603. Lord William Howard's map of the Barony of Gilsland of this date shows two buildings near the site of the hotel labelled "Two tenements called the Shaws". Very little is known