Museum of King Jan III's Palace at Wilanów

Wilanów Palace  is a baroque royal palace located in the Wilanów district, Warsaw. It was built for King Jan III in the 19th century. It survived the Poland's partitions and both World Wars. The palace, together with other elements of Warsaw Old Town, is one of the most important Poland's official national Historic Monuments. It's a really beautiful building, inside there's huge collection of paintings and a lot of valuable historical things. It's worth seeing  for the architecture, the beautiful gardens and the history lesson :)

here's the link to the page of the museum: http://www.wilanow-palac.pl/