Open Monument Day is part of a larger whole, the European Heritage Days (EHD). The European Heritage Days designate the overarching theme for Open Monument Day each year, and all participating countries are requested to... this theme
If you live in the Leiden, Leidschendam, Voorburg, or The Hague region, visit the Historic Trekvaart Day on April 15, 2023. There is much to experience in these four municipalities in terms of historic vehicles, cultural highlights, and beautiful buildings....
* " indicates required fields
