While the ancient Romans are credited for having established Bath's ancient hot springs as a place of relaxation and rejuvenation, legend has it their healing powers were discovered some 500 years earlier by a British king. 

But it was the Romans who left their mark, building the city's famous Roman Baths and Temple of Sulis Minerva in 75 BC around the largest of the city's three hot springs. It's not difficult to see the attraction: the water contains 43 different minerals, gushes from a depth of nearly 10,000 feet at a rate of 275,000 gallons a day, and is a constant 46.5 degrees Celsius.