4. Pavlovsk Palace and ParkPavlovsk Pavlovsk Palace is an 18th-century Russian Imperial residence built by the order of Catherine the Great for her son, Grand Duke Paul, in Pavlovsk, within Saint Petersburg. After his death, it became the home of his widow, Maria Feodorovna. The palace and the large English garden surrounding it are now a Russian state museum and public park. From Wikipedia, the free encyclopedia.
6. Priory Palace MuseumGatchina Priory Palace is an original palace in Gatchina , Russia. It was built in 1799 by the architect N. A. Lvov on the shore of the Black Lake . Constructed for the Russian Grand Priory of the Order of St John, it was presented to the Order by a decree of Paul I of Russia dated August 23, 1799. From Wikipedia, the free encyclopedia.