Citadel
The Citadel on the top of the Gellért Hill reminds us of the many ups and downs of the Hungarian history: the monument was established by the Austrians, and used as a prison: to frightened the rebellious Hungarians and prevent another uprise against the Habsburg oppression.
The Nazis used the Citadel as an anti-aircraft position during the II. Work War, and the Communist regime used it as a military position as well, and later they erected a monument, that would remind the locals of the sacrifice made by the Eastern liberators who freed the city from the German invaders. The Citadel was the symbol of foreign oppression for long time, but after 1990 the building left the dark past behind: nowadays the Citadel is a popular meeting point, one of the best spots to take pictures about Budapest, and the symbol of the hard-earned liberty of Hungary.