Open house at Vondelkerk, Posthoornkerk, and De Duif. Free access for interested visitors. Volunteers will be available to provide information about the history and architecture of the buildings. Stadsherstel has several monumental buildings, including some Special Locations. Through creative repurposing and opening, these monuments remain open to the public, and Stadsherstel can preserve this cultural heritage. Other openings: - De Duif and Vondelkerk are also open every third Sunday of the month from 13:00 - 16:00. - The Posthoornkerk is also open every third Sunday of the month from 12:00 - 16:00. - The Bakenesserkerk is open every third Sunday of the month from 12:00 - 16:00. Check our culture agenda for the latest updates and exceptions.