One president and one vice president died with their mistresses at their side. 32nd president Franklin Roosevelt's mistress had to be whisked away from his deathbed before his wife, Eleanor, arrived, and VP Nelson Rockefeller expired during an intimate moment with his inamorata.

When 29th president Warren G. Harding was short of funds during his twice-a-week poker games, he routinely anted up with pieces of White House china.

As a joke, 7th president Andrew Jackson sent a...