23 palaces visited by Paul O'Callaghan
Antwerp City Hall
Austrian Parliament Building
Belvedere Vienna
Buckingham Palace
Buda Castle
Diocletian’s Palace
Flinders Street Railway Station
Forbidden City
Gellert Baths and Spa
Grand Royal Palace
Hampton Court Palace
Hatfield House
Hungarian Parliament
Manchester Town Hall
Palace of Westminster
Parliament House
Queen Victoria Building
Scottish Parliament Building
Summer Palace Beijing
Szechenyi Thermal Bath
Udaipur City Palace
