12.The White House got electricity during Benjamin Harrison's presidency in 1891, but his family was so scared of touching the switches that they left the lights on all night.
13.A plumber once had a nervous breakdown because Lyndon Johnson's demands for high water pressure in his shower were so extreme.
14.Franklin D. Roosevelt installed a heated indoor swimming pool to help with his polio therapy, but Richard Nixon turned it into the current press briefing room in 1970. Gerald Ford brought swimming back to the White House in 1975.
15.The basement of the White House is like a mini mall, with a flower shop, a dentist's office, and more.