29 palaces visited by Alessandro Cossa

Belvedere Vienna

Buckingham Palace

Buda Castle

Doge's Palace

Dolmabahce

Forbidden City

Gellert Baths and Spa

Grand Royal Palace

Hofburg

Hungarian Parliament

Les Invalides

New Town Hall

Palace of the Shirvanshahs

Palace of Westminster

Palacio de Cibeles

Palais des Papes

Palazzo Vecchio

Palazzo Venezia

Pena National Palace

Prince's Palace of Monaco

Quirinal Palace

Royal Palace of Amsterdam

Royal Palace of Madrid

Schönbrunn Palace

Siena City Hall

Summer Palace Beijing

Summer Palace of Peter the Great

Szechenyi Thermal Bath

Topkapi