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Reputedly the oldest lock in the world, Kolksluis is still in working order, standing at its breath-taking location.
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Tiny ancient houses perch atop the dike, high and dry, while others sit safe and snug behind it. Or try the exquisite Teylers Museum, the Netherlands’ oldest, o pen since 1784 ! At midday, jump back on your bike and ride the banks of the River Spaarne to pretty Spaarndam and the IJdijk. Start the day in historic Haarlem and get a glimpse of Golden Age painting at the Frans Hals Museum.
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