Spain, Valencia Province, Valencia, 15th century Palacio de Marques de Dos Aguas now the National Ceramics Museum or Museo Nacional de Ceramica, Some of the building's elaborate stonework.

Mexico, Federal District, Mexico City, Group of visitors looking at mural by Diego Rivera depicting life before the Conquest in the Palacio Nacional.

Mexico, Federal District, Mexico City, Mural by Diego Rivera depicting life before the Conquest in the Palacio National.

Mexico, Federal District, Mexico City, Detail of Mexico a Traves de los Siglos mural by Diego Rivera in the Palacio Nacional depicting life before the Conquest including paper making.

Mexico, Federal District, Mexico City, Detail of Mexico a Traves de los Siglos mural by Diego Rivera in the Palacio Nacional.

The Royal Palace. Palacio Nacional de Sintra. Conical chimneys rising above palace seen through trees against a blue sky

Palacio Nacional de Queluz interior. Sala dos Exbaixadores with throne chairs and detail of hanging chandelier and ceiling frescos.

Palacio Nacional de Sintra facade and huge conical chimneys above dating from the 14th century.

Aerial view looking down on the town and Palacio Nacional de Sintra.

Palacio Nacional de Queluz facade with fountain statue in the foreground and formal gardens.

Palacio de las Bellas Artes and Museo Nacional de Arquitectura Alameda Central

Palacio de las Bellas Artes and Museo Nacional de Arquitectura Alameda Central