The first documented record of Hohenurach Castle dates from 1235, but it was probably built in the 11th century by the Counts of Urach. Count Ludwig I of Württemberg updated the castle in 1427, building a new castle on the existing foundations. Following heavy damage in 1547 during the Schmalkaldic War, Duke Christoph of Württemberg had the castle rebuilt in 1551. From the 16th century onwards, the castle complex also served as a state jail, whose inmates included the Tübingen Professor Nicodemus Frischlin (1547-1590).
As a military facility Hohenurach Fortress also posed a constant threat to the citizens of the nearby town. It wasn't until 1765, however, that Duke Carl Eugen of Württemberg decided to move his soldiers to the town and had Hohenurach Fortress torn down. All that remains of the castle site is a towering ruin – one of the biggest, mightiest and most important ruins in southern Germany.
The castle ruins are free to explore, but can only be accessed on foot.
References:The Château du Lude is one of the many great châteaux of the Loire Valley in France. Le Lude is the most northerly château of the Loire Valley and one of the last important historic castles in France, still inhabited by the same family for the last 260 years. The château is testimony to four centuries of French architecture, as a stronghold transformed into an elegant house during the Renaissance and the 18th century. The monument is located in the valley of Le Loir. Its gardens have evolved throughout the centuries.