Cited as one of the most beautiful cities in Europe, Budapest's extensive World Heritage Site includes the banks of the Danube, the Buda Castle Quarter, Andrássy Avenue, Heroes' Square and the Millennium Underground Railway, the second-oldest metro line in the world. It has around 80 geothermal springs, the world's largest thermal water cave system, second largest synagogue, and third largest Parliament building. The city attracts about 4.4 million tourists a year, making it the 25th most popular city in the world, and the 6th in Europe.

Scenic Cruises
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