Andrássy Avenue is an elegant 2.5 km long tree-lined avenue that reaches out from Deák Ferenc tér to the City park. During a trip in Budapest we can pleasant things to see what became a UNESCO World Heritage site. The avenue is home to museums (House of Terror), magnificent buildings (Opera House), boutiques and cafés. At the end, the avenue opens out to the Hero's square which is the main entrance to the city park. The Millenary Monument erected in the center of the square in 1896 in honour of the ancestors of the homeland, commemorates the 1000th anniversary of the arrival of Hungarian tribes in the Carpathian Basin. This square is one of the most visited sights in Budapest. The square is surrounded by two important buildings, the Museum of Fine Arts on the left and the Kunsthalle (Hall of Art) on the right. The Heroes’ Square is also a station of the Millennium Underground (the first underground in Europe after the one of London).