A tourist ascends the ramp to Hohenzollern Castle, ancestral seat of the family by the same name who later became German emperors. The original structure may have been built as early as the 11th Century. Now privately-owned, the third version houses an impressive array of art and historical artifacts. Fuji X-Pro1, ISO 200, 1/125@f10, 21mm. Tower. Hohenzollern Castle, Germany. Added on February 26, 2014 by John Downey.