The Museu de Arte Contemporânea de Niterói (MAC Niterói), an architectural marvel by Oscar Niemeyer, is generally accessible with ramps and elevators, making it suitable for most visitors. While guided tours may offer deeper insights into its architecture and art collections, it's perfectly enjoyable as a solo visit for general appreciation of its unique design and temporary exhibitions. The museum is open year-round, typically closed on Mondays, and offers stunning panoramic views best appreciated on clear days. Expect a moderate entrance fee (around R$12-R$20), with potential free days, and plan for a visit duration of 1 to 2 hours to fully explore the space, enjoy the art, and soak in the breathtaking vistas of Guanabara Bay and Rio de Janeiro.