Museum Ons’ Lieve Heer op Solder

Museum Ons’ Lieve Heer op Solder (“Our Lord in the Attic”) is a 17th‑century canal house concealing a complete Catholic church in its top floors—built when public worship was restricted. Visitors move through preserved living quarters into the ingeniously designed attic sanctuary, gaining insight into Amsterdam’s Golden Age, religious tolerance, and domestic life. Highlights include original furnishings, period art, and views over the Oudezijds area. Audio guides and clear interpretation make the hidden church’s history accessible. Best for travelers interested in architecture, religion, and social history; note that many narrow stairs are involved and space can feel tight.