Assumburg castle in Heemskerk in 1612cidoc:E22_Human-Made_Object Castle Marquette in Heemskerk in 1630cidoc:E22_Human-Made_Object Defence walls of Monfoort; to the right Montfoort castlecidoc:E22_Human-Made_Object Huis te Warmond near Warmondcidoc:E22_Human-Made_Object Montfoort castle in Montfoortcidoc:E22_Human-Made_Object Oosterwijk castle at Oosterwijkcidoc:E22_Human-Made_Object The Amsterdamse Poort or Spaarnwouderpoort in Haarlem in 1680cidoc:E22_Human-Made_Object The Koppelpoort of Amersfoortcidoc:E22_Human-Made_Object The Oude Oosterpoort in Hoorn in 1620cidoc:E22_Human-Made_Object View of the ruins of the church in Oegstgeestcidoc:E22_Human-Made_Object View of Dordrechtcidoc:E22_Human-Made_Object View of Oudewatercidoc:E22_Human-Made_Object View of Overschiecidoc:E22_Human-Made_Object View of the defence walls of Utrecht, starting from right to left, the stonghold Zonnenburg, the Servaastoren, the Agnietenklooster, the south tower of the Nicolaïkerk, and the stronghold Manenburgcidoc:E22_Human-Made_Object