Historic site boarded up Boarded up on Monday was Sauer Castle, a home on the National Register of Historic Places at 935 Shawnee Road in Kansas City, Kansas. According to the authorities, a judge’s order was received to board it up. The Kansas City, Kansas, Police Department had around six police vehicles at the scene, providing support, according to officials. The historic home was built about 1871 for Anton P. Sauer, a German immigrant and business owner, according to the home’s National Register application. Sauer was listed as the owner of the Crider-Sauer Grocers and as president of the German Savings Association. The building site he chose was on a bluff overlooking the Kansas River. The two and one-half story brick Italian Villa style building has a four-story tower.