Photo: Marcin Białek, CC BY-SA 3.0 via Wikimedia Commons
The Royal Castle in Warsaw is a state museum and a national historical monument, which formerly served as the official royal residence of several Polish monarchs. The personal offices of the king and the administrative offices of the royal court were located in the Castle from the 16th century until the final partition of Poland in 1795. Situated in the Castle Square, at the entrance to the Old Town, the Royal Castle holds a significant collection of Polish and European art.
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Katedra św. Jana
The Warsaw's cathedral was an opulent neo-Gothic church before World War II, but following its destruction it was rebuilt in a sombre, Masovian Gothic style resembling what is presumed to be its original form.
Kościół Jezuitów
From the outside it seems like a large church, but step over the threshold and you'll see a rather modest and relatively small worship hall.
Branickich Palace