28 palaces visited by M.p. Osaa

Bruges City Hall

Brugse Vrije

Buckingham Palace

Buda Castle

Ca' d'Oro

Christiansborg Palace

Cologne City Hall

Diocletian’s Palace

Doge's Palace

Hampton Court Palace

House of the Blackheads

Hungarian Parliament

Les Invalides

New Town Hall

Palace of Westminster

Palácio da Bolsa

Palais des Nations

Palais-Royal

Palazzo Vecchio

Parliament House

Royal Palace

Royal Palace of Amsterdam

Rundale Palace

Szechenyi Thermal Bath

Tallinn Town Hall

United States Capitol

Zürich Hauptbahnhof

Zürich Town Hall