Tsarskoe Selo (the Tsarskoe Selo State Museum and Heritage Site) was the summer residence of the Russian Tsars. Expanded from the beginning of the 18th century to the beginning of the 20th century. The main buildings of the residential complex are Catherine Palace erected in the style of Russian Baroque and the classical Alexander Palace. There was now a lost Amber Room in Catherine Palace. Currently, the reconstruction can be visited at Catherine Palace. In the palace-and-park ensemble of Tsarskoe Selo covering an area of ​​300 hectares, there are scattered over one hundred historical monuments.
In 1918, Catherine Palace was opened as a museum.