21 palaces visited by Diego Villacres
Belvedere Vienna
Buda Castle
Catherine Palace
Crystal Palace Retiro
Doge's Palace
Hofburg
Hungarian Parliament
Les Invalides
Monplaisir Palace
Palacio de Cibeles
Palais-Royal
Palazzo Vecchio
Petergof
Presidential Palace
Royal Palace of Madrid
Saint Michael's Palace
Schönbrunn Palace
Summer Palace of Peter the Great
Vienna City Hall
