Portal:National Register of Historic Places/Did you know/13

...that Florida State Hospital (pictured) at Chattahoochee originally served as Florida's first penitentiary?
...that the Fehr Round Barn, the Otte Round Barn and the Harbach Round Barn are three of 21 round barns that were built in Stephenson County, Illinois during the early 20th century?
...that the Ephraim Smith House is the only unaltered Greek Revival rural house in Kane County, Illinois?
...that the Blackstone Hotel in Omaha, Nebraska introduced both the Reuben sandwich and Butter Brickle ice cream to the world?
...that the John R. Oughton House was used to house patients from the Keeley Institute, where over 400,000 people were treated for alcoholism with injections of "bichloride of gold" from 1879 to 1930?