Schloss Neuschwanstein castle, 19th Century Romanesque revival palace of Ludwig II of Bavaria in the Bavarian Alps, Germany

The Maharaja of Jaipur's Moon Palace in Jaipur, Rajasthan, India

Schloss Neuschwanstein castle built in 1869 by King Ludwig II in Bavaria, Germany

Amri Divan Palace, Doha, Qatar, The Gulf States

Well of griffins and lions, 16th Century, by Palazzo del Capitano del Popolo, in Piazza Grande in Montepulciano, Tuscany, Italy

Door to the harem Zenana Deorhi at The Maharaja of Jaipur's Moon Palace in Jaipur, Rajasthan, India

Schloss Neuschwanstein castle, 19th Century Romanesque revival palace of Ludwig II of Bavaria in the Bavarian Alps, Germany

Detail of the Grand Palace, Bangkok, Thailand

Detail of the Grand Palace (the King's Palace), Bangkok, Thailand

Presidential Palace, Delhi, India

Konigliches Schloss in Schlossplatz, Berchtesgaden in Baden-Wurttenberg, Bavaria, Germany

Konigliches Schloss in Schlossplatz, Berchtesgaden in Baden-Wurttenberg, Bavaria, Germany

Detail of the Grand Palace, Bangkok, Thailand

Detail of the Grand Palace, Bangkok, Thailand

Stanton Hall, built in 1857, is a typical palatial antebellum home in greek revival style, Natchez, Mississippi, USA

Bothmer Palace in Baroque style near Klutz in Germany

Ornate doorway, facade and columns on a building, Havana, Cuba

Doan Mon, the main gate to the palatial complex of later Le Emperors in the Central Sector of the Imperial Citadel of Thang Long, Hanoi, Vietnam

Palacio De Valle (Valle's Palace) In Punta Gorda; Cienfuegos, Cuba

Passage in the Doan Mon, the main gate to the palatial complex of later Le Emperors in the Central Sector of the Imperial Citadel of Thang Long, Hanoi, Vietnam