Schokland is an island on dry land, symbolising the Dutch battle with water. It is one of the 9 World Heritage siets acknowledges by UNESCO. The other 8 are the Canal District in Amsterdam, the Defence Line of Amsterdam, the Beemster Polder, the Rietveld Schröder House, the Milnetwork at Kinderijk-Elshout, Ir. D.F. Wouda Steam Pumping Station, the Wadden Sea and Willemstad in Curaçao.