20 palaces visited by Boris Plotkin

Antwerp City Hall

Antwerpen-Centraal

Bruges City Hall

Brugse Vrije

Buda Castle

House of the Blackheads

Hungarian Parliament

Les Invalides

Marble palace

Palace of the Republic

Palais-Royal

Palazzo Venezia

Pena National Palace

Petergof

Quinta da Regaleira

Royal Palace of Madrid

Summer Palace of Peter the Great

Szechenyi Thermal Bath

Tallinn Town Hall

Valencia Town Hall