The wall ceilings in the central room of the chateau are one of the most sample collections of baroque and illusorial paintings within the boheam countries. Abraham Godyn, painter from Antwerp, decorated the room in the years 1691-1697. He worked with tempera, instead of the usual fresco technique. This very well chosen technique let the possibilities to create more details and colors. In this room the reality of painting is perfectly expressed. From real life to fake tapestry, to illusorical architectures, as well as plastics and reliefs on the opposite side of the windows. All these scenes are a praise to the dynasty of the Habsburgs, the christianity and the occupation of the turks in Vienna 1683. All this was created according the visit of the king Leopold the 1st in Prague.
The rest of the ceilings were decorated by the end of the 17th. century by Carpoforo Tencalla, Francesco and Giovanni Francesco Marchetti and show different symbols, allegorical, scenes of the historical, mythological stories, bible stories and happenings, as well as exotically landscapes. A must to be seen.
Nowadays the Chateau of Troja host the collection of the czech art of the 19th. Century from the national gallery of Prague.
Every now and then musicians give a free concert in the park for everybody that wants to listen.