The Niterói Contemporary Art Museum or MAC is located in the municipality of Niterói, in the district of Boa Viagem, in front of Rio de Janeiro state of the same name, and is one of the major landmarks of the Brazilian megalopolis.
The MAC was designed by Oscar Niemeyer assisted by Bruno Conrini engineer who had worked with him on previous projects. The construction of the museum lasted five years, to open in 1996. The building is 16 meters high, the dome has three levels with a diameter ranging from 18 to 20 meters. The set is plain concrete painted pure white. The museum is reflected in Boa Viagem, the pool of 817 m² mirror it dominates with its cylindrical base of 9 meters in diameter from which the building was built, in the words of Niemeyer. Around the museum, a place of 2500 m² is designed to allow well clear silhouette of the building.