Schokland and Surroundings Defence Line of Amsterdam Historic Area of Willemstad , Inner City and Harbour , Curaçao Mill Network at Kinderdijk-Elshout Ir.D . F . Woudagemaal (D . F . Wouda Steam Pumping Station) Droogmakerij de Beemster (Beemster Polder) Rietveld Schröderhuis (Rietveld Schröder House) Wadden Sea Seventeenth - Century Canal Ring Area of Amsterdam inside the Singelgracht Van Nellefabriek