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Oudezijds Voorburgwal 40, Amsterdam, 1012 GE, Netherlands | 020 624 6604

This canal house looks like all the others, but it hides a secret: a concealed Catholic church, built in the 17th-century in Calvinist Amsterdam, when Catholics could not be open about their religion. The secret church, which is still in use, is located in the top portion of the building. Not for the faint of heart or those with vertigo, beware of the steep climb to the top.

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Our Lord in the Attic

This canal house looks like all the others, but it hides a secret: a concealed Catholic church, built in the 17th-century in Calvinist Amsterdam, when Catholics could not be open about their religion. The secret church, which is still in use, is located in the top portion of the building. Not for the faint of heart or those with vertigo, beware of the steep climb to the top.