20 palaces visited by Sofia Forastera

Alcázar of Seville

Buda Castle

Casa de Pilatos

Catherine Palace

Crystal Palace Retiro

Eliseyev Emporium

Gatchina Palace

Hungarian Parliament

Marble palace

Mariinsky Palace

Moika Yusupov Palace

Palacio de Cibeles

Palau de la Música Catalana

Pavlovsk Palace

Royal Palace of Madrid

Saint Michael's Palace

Summer Palace of Peter the Great

United States Capitol

United States Supreme Court

Vaux-le-Vicomte