20 palaces visited by Bill Wilson
Belém Palace
Buckingham Palace
Buda Castle
Christiansborg Palace
Doge's Palace
Emirates Palace
Gellert Baths and Spa
Greek Parliament
Hungarian Parliament
Palace of Ajuda
Palace of Westminster
Parliament House
Prince's Palace of Monaco
Rotterdam Central Station
Rotterdam City Hall
Royal Palace of Amsterdam
Saeed Al Maktoum House
Szechenyi Thermal Bath
