Karlovy Vary is the most famous, elegant, and foremost spa town in the Czech Republic. It was established by Emperor Charles IV in the 14th century after the discovery of hot mineral springs there. The town expanded particularly rapidly during the 19th century Industrial Revolution, then acquired its spectacular architecture with gracious colonnades and picturesque boulevards, winning the favour of many famous personalities in the world of arts and politics. The invigorating waters of 13 hot springs are currently in use for therapeutic purposes. The Karlovy Vary region has also a tradition of producing liqueurs and some of the finest glassware in the country and Karlovy Vary International Film Festival is highly recognized worldwide.