Portal:National Register of Historic Places/Did you know/31

...that McDonald's signs (pictured) once had only one golden arch?
...that the Philadelphia Lazaretto is the oldest surviving quarantine hospital in the United States?
... that the Rhode Island state legislature met regularly at the Old Colony House (pictured) in Newport until 1900?
...that Sailor's Creek Battlefield State Park's Hillsman House still has bloodstains on its floor dating to its use as a hospital after the Battle of Sayler's Creek in April 1865?
...that Wilshire Boulevard Temple, with its landmark Byzantine dome (pictured), is the oldest Jewish synagogue in Los Angeles?