Nikolaevsky Palace on Annunciation Square.home of the Grand Duke Nikolai Nikolaevich Romanov of Russia (the Elder) with his family,the Grand Duchess Alexandra Petrovna Romanova of Russia,Grand Dukes Nikolai and Peter Nikolaevich Romanov of Russia.
The Yusupov Dacha in Tsarskoe Selo. It was built by Princess Princess Zinaida Ivanovna Yusupova, after Tsar Nicholas I had offered to build it for her. The Princess declined, and instead built it herself.
The Grand Livadia Palace is located on the site of the older palace. It took seventeen months to build this new one (from April 1910 till September Most advanced technologies of that time were used building the Palace.