It’s difficult to tell people just how frightened was America of polio.
In 1935 Boy Scouts of America (now Scouting USA) planned a National Jamboree in Washington, D.C. Polio outbreaks became epidemic by mid-summer, and authorities decided to postpone the Jamboree.
This photo is an aerial shot from the Goodyear Airship Enterprise, showing the planned campsites on the west side of the Potomac River, on August 9, 1935, when the Jamboree would have been in full swing. Photo now with the digital archives of the Library of Congress.
A National Jamboree was held at the site in 1937.
Millard Fillmore's Bathtub 