21 palaces visited by Álvaro Alfredo Salazar

Antwerp City Hall

Antwerpen-Centraal

Austrian Parliament Building

Buckingham Palace

Buda Castle

Charlottenburg Palace

Hofburg

Hungarian Parliament

Municipal House

Palace of Westminster

Palau de la Música Catalana

Palazzo Vecchio

Palazzo Venezia

Quirinal Palace

Royal Palace

Royal Palace of Naples

San Francisco City Hall

Sanssouci

Schönbrunn Palace

Summer Palace Beijing

Vienna City Hall