The city is known worldwide for Pilsner beer, created by Bavarian brewer Josef Groll in the city in 1842.
The most prominent sights of Plzeň are the GothicSt. Bartholomew’s Cathedral, founded in the late 13th century, whose tower, at 102 metres (335 feet), is the highest in the Czech Republic, the Renaissance Town Hall, and the Moorish RevivalGreat Synagogue, the second largest synagogue in Europe, after the Dohány Street Synagogue in Budapest. There is also a 20 km (12 mi) historic tunnel and cellar network, among the longest in Central Europe. Part of this network is open to the public for tours of about 750 metres (2,500 feet) in length and down to a depth of 12 m (39 ft).
Built in 1532, the former water tower was integrated into the city’s fortification system at Prague Gate. Another storey was added in 1822 in French Imperial style. The Gothic portal dating from the 1500s and coming from another house, which had been demolished, was added in 1912. Above the portal there is a commemorative plaque dedicated to Dr Josef Škoda (a professor at the Vienna University), who was born next door on 10 December 1805.
Plzeň is also well known for the Pilsner Urquell (since 1842) and Gambrinus (since 1869) breweries, currently owned by Asahi Group Holdings. A popular tourist attraction is the Plzeňský Prazdroj brewery tour where visitors can discover the history of beer. The pilsener style of beer was developed in Plzeň in the 19th century.