Early-Baroque palace designed by Italian architects Filiberto Lucchese and Giovanni Pietro Tencalla. Official site with photograph, history and visitor information.

This magnificent palace in Fertod, Hungary, was begun in 1720 by Prince József Esterházy. The official site gives a history of the palace, details of exhibitions and concerts, and visitor information.

The residence of King Kalakaua and Queen Lili`uokalani, the last monarchs of Hawai`i, built 1879-82 in an "American Florentine" style. Includes history, photographs and visitor information.

The official site of this 19th-century fantasy castle built by King Ludwig II of Bavaria includes an illustrated building history, tour and biography of Ludwig.

The official site for the Norwegian monarchy provides an illustrated history and virtual guided tour of the palace in Oslo designed by Danish-born Hans Linstow (1787-1851).

The official site provides photographs and brief history of the magnificent Baroque imperial palace, with visitor information. The archive of plans, images and papers will be open to the public in future.

The official site provides a virtual tour and history of the museum buildings: the Baroque Winter Palace (1754-1762) designed by Bartolomeo Rastrelli and the Neo-Classical Small Hermitage and Large Hermitage.