20 palaces visited by Dmitry Polyakov

Alcázar of Seville

Austrian Parliament Building

Crystal Palace Retiro

Doge's Palace

Greek Parliament

House of the Blackheads

Hundertwasser House

Livadia palace

New Town Hall

Palace of the Grand Dukes of Lithuania

Palace of the Republic

Palazzo Vecchio

Petergof

Prince's Palace of Monaco

Royal Palace of Madrid

Saint Michael's Palace

Siena City Hall

Tallinn Town Hall

Vilnius Town Hall

Vorontsov Palace