This Catholic church in a canal house of the Red Light District is the only surviving schuilkerken(clandestine church) that dates from the Reformation, when open Catholic worship was outlawed.
Located alongside a canal in the Red Light District, the Oude Kerk is the oldest monument in Amsterdam, dating from 1250. Inside it has painted wooden ceilings, box pews and choir stalls with misericords.
This grand Ionic-style synagogue was built in 1665 by Sephardic Jews who had fled Spain and Portugal for tolerant Amsterdam. Still in active use, it is lit by large, low-hanging brass chandeliers with 1,000 candles.
The Lokhorstkerk is a modest building with a classical facade in Leiden. A "clandestine" church, it was built in the 17th century by the Mennonites.
The New Church is a 14th century Gothic church located next to the royal palace. It functions as the national church of the Netherlands, hosting inaugurations and special exhibitions.
Dating from the early 14th century, this picturesque enclosed courtyard contains a Reformed Church and hidden Catholic chapel. It provides a serene oasis in the center of the city.
Located on high ground, the cross-shaped Highlands Church was founded in the 14th century. Although emptied of its art by Calvinists, its elegant architecture and tombstones are worth seeing.
The Pieterskerk (St. Peter's Church) is a Gothic church built between 1390 and 1565 and now deconsecrated. Several Leiden notables are buried here, including Pilgrim pastor John Robinson, theologian Jacobus Arminius and painter Jan Steen.