The Royal Picture Gallery Mauritshuis, located at a unique 17th-century palace, has the highest number of masterpieces per square meter in the Netherlands.The museum houses a world-famous collection of paintings from the Dutch Golden Age, with works by painters such as Vermeer, Rembrandt, Rubens, Jan Steen, Frans Hals, Van Dyck and Adriaen Coorte. The Mauritshuis is open every day.