Het Loo Palace (Dutch: Paleis Het Loo, IPA: [pɑˈlɛi̯s ɦɛt ˈloː], meaning "The Woods Palace") is a palace in Apeldoorn, Netherlands. The symmetrical Dutch Baroque building was designed by Jacob Roman and Johan van Swieten and was built between 1684 and 1686 for stadtholder-king William III and Mary II of England.