Hohenzollern Castle
Hohenzollern Castle (German: ) is the ancestral seat of the imperial House of Hohenzollern. The third of three hilltop castles on the site, it is located atop Mount Hohenzollern, above and south of Hechingen, on the edge of the Swabian Jura of central Baden-Württemberg, Germany.
Hohenheim Castle
Schloss Hohenheim is a manor estate in Stuttgart, eponymous of the Hohenheim city district. 
The original castle was a fief of the County of Württemberg, recorded for the 12th century. The estate fell into the possession of Charles Eugene, Duke of Württemberg in 1768, who had it re-built as a Rococo style manor with extensive gardens and residential palace for his future wife, Franziska von Hohenheim. The estate was the main ducal residence during 1772–1797, when it fell to the city of Stuttgart.
An "Agricultural Educational Testing and Model Institution" was housed here in 1818, 
and the estate remains in use by the Horticulture and Agriculture Departments 
of the University of Hohenheim.