A 17th-century merchant house with a fully functioning Catholic church hidden in the top three floors — built when Catholicism was banned in the Netherlands. The secret church is beautifully preserved and the house itself, with its original furnishings, gives a vivid sense of Golden Age Amsterdam.
Our Lord in the Attic
Secret Catholic church hidden in a Golden Age canal house
| Address | Oudezijds Voorburgwal 40 |
|---|---|
| Opening Hours | Mon–Sat 10:00–17:00, Sun 13:00–17:00 |
| Phone | 020 6246604 |
| Website | museumamstelkring.nl |