3 Old Ruins to Explore in North Holland

Muiden Castle is a castle in the Netherlands, located at the mouth of the Vecht river, some 15 kilometers southeast of Amsterdam, in Muiden, where it flows into what used to be the Zuiderzee. It is one of the better known castles in the Netherlands and featured in many television shows set in the Middle Ages.

This is a 17th-century canal house, house church, and museum in the city center of Amsterdam, The Netherlands. The Catholic Church was built on the top three floors of the canal house during the 1660s. It is an important example of a "schuilkerk", or "clandestine church" in which Catholics and other religious dissenters from the seventeenth century Dutch Reformed Church, unable to worship in public, held services.

The New Church is a 15th-century church in Amsterdam located on Dam Square, next to the Royal Palace. Formerly a Dutch Reformed Church parish, it now belongs to the Protestant Church in the Netherlands. It is no longer used for church services but is used as an exhibition space. It is also used for organ recitals. There is a café in one of the buildings attached to the church that has an entrance to the church.