Open Monumentendag offers free access to thousands of beautiful monuments across the Netherlands, including special locations by Stadsherstel. Visit 't Zonnehuis in Amsterdam Noord for the '80 years NDSM' exhibition, Van Houtenkerk in Weesp for historical insights by volunteers, and the Oosterkerk in Amsterdam for a solo performance by Julius Schraven and electronic vocals by 'listen for araa'. Experience the restoration of the Vondelkerk, and in Haarlem, explore the Pinksterkerk, Het Seinwezen, Bakenesserkerk with performances by Korenlint, and the Rosenstock-Huessy Huis.