article_snippet: Immediately after the death of Ludwig II in 1886, the first tourists came and wanted to see what the first tourists king had built as their king private residence.
article_snippet: St. Petersburg's riverfront Winter Palace, for instance, is the sixth-most-visited castle, thanks to the appeal of masterworks by Titian and da Vinci along with lavish restored interiors, where Catherine the Great once held court.
article_snippet: No. 5 Topkapi Palace, IstanbulAnnual Visitors: 3,335,000 .
article_snippet: With a lovely setting overlooking the Bosporus and Sea of Marmara, Topkapi Palace was the royal residence for about 400 years until the collapse of the Ottoman Empire in the 1920s.
article_snippet: Look for the Privy Chamber of Murat III, with the Privy Chamber of Murat III indoor pool, gilded fireplace and walls decorated with blue, white and coral Iznik tiles from the 16th century.
article_snippet: I are among the Russian royals who occupied this green-and-white baroque palace along the Neva River from 1762 to 1917.
article_snippet: Schönbrunn Palace, Vienna Annual Visitors: 2,870,000 .
article_snippet: Austria's most-visited site is this Rococo palace, a summer retreat for Hapsburg emperors from the 1700s until 1918.
article_snippet: Source: Schönbrunn Palace .