Built in 1325, Oude Haven is Rotterdam's oldest port. Today the area bustles with life, and it is a good place to enjoy sitting on a café terrace. The Witte Huis (White House), built in 1897-1898, is the only remnant here of the pre-war period. With 11 storeys it was the Netherlands' first skyscraper. Two old commercial sailing vessels are moored in the port; they are part of the Openlucht Binnenvaart Museum (Open Air Maritime Museum).