19 palaces visited by Cheryl Walter

Alcázar of Seville

Buckingham Palace

Cologne City Hall

Doge's Palace

Flinders Street Railway Station

Hungarian Parliament

Lyon City Hall

Mirabell Palace and Gardens

National Archives Building

Palace of Parliament

Palace of Westminster

Palais des Nations

Queen Victoria Building

Sanssouci

Schleissheim Palace

Schönbrunn Palace

Siena City Hall

The White House

United States Capitol