Park "memento" (Memento) in Budapest is an open air Museum dedicated to the monumental sculpture of the Communist period in Hungary (1949-1989), outdoor June 29, 1993, the second anniversary of withdrawal of Soviet troops from the territory of Hungary, and created by Ákos of Aleida, who won the competition announced by the General Assembly of Budapest (Municipal Council) in 1991. The architect himself says of his offspring: "This Park is dedicated to the dictatorship and, at the same time, we are able to speak and write about it, democracy. After all, in the end, the only democracy gives you the opportunity to speak freely about dictatorship."

In the Park you can see statues of Lenin, Marx, Engels and some Hungarian Communist leaders, monuments of truce Ilya Ostapenko and Miklos Steinmetz, who died in 1944 – a total of 40 exhibits, dismantled and brought here after the fall of communism in Hungary in 1989.

In memento Park recreates the atmosphere of the Communist era, you can see here, for example, an old model phone booth and the automobile manufactured by East Germany's Trabant". In 2007, the Park opened a new exhibition hall and a small cinema. Very popular among the visitors of the photo exhibition entitled "Stalin's boots" and also a documentary film about the methods used by the secret police.