72379 Burg Hohenzollern, Germany
Ancestral seat of the imperial House of Hohenzollern. The third of three hilltop castles built on the site, it is located atop Mount Hohenzollern. The third, and current, castle was built between 1846 and 1867 as a family memorial by Hohenzollern descendant King Frederick William IV of Prussia. No member of the Hohenzollern family was in permanent or regular residence when it was completed.
Location of Hohenzollern Castle