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
Agua Hedionda Spa warm (about 80-82^ F) and the spring's output surpasses 200 gallons per second. Agua Hedionda's water is rich in sulfur, and in radioactive salts as well. Agua Hedionda Spa The Spa of Agua Hedionda (Spanish: "Balneario de Agua Hedionda") is a mineral spring - day spa located in the city of Cuautla, in the state of Morelos, Mexico, about south of Mexico City. Agua Hedionda means in Spanish "Foul Smelling Water", and is also the name of the residential neighborhood around the spa, with approximately 10,000 inhabitants. The name was likely due to sulfur in the water. The waters originate