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Eels were used as currency in medieval England, specifically for rental agreements.

A 2007 University of Iceland survey found that 62 percent of Icelanders believe in real-life elves. In fact, in 2014, protesters claimed a proposed highway would destroy an "elf church," which was just a gigantic rock to many. Eventually, the "church" was moved to a safe place, and the construction continued. Though the stone weighed 70 tons and required a crane to move it, the preservation of sites important to elves is significant to Icelanders. The country's elf history dates back to Viking-era poems from around the year 1000. To Icelanders, these elves are not tiny figures who build toys for Santa; they look very much like humans and can range in size. Many believe that grave misfortune will befall those who dare to build in elf territory.

The standard Ohio license plate is white with navy blue letters and numbers, and a red border at the top. That is, of course, if you don't have multiple DUIs. Since 1967, Ohio's issued special yellow license plates with red characters to DUI offenders. As of 2004, these "scarlet letter plates" — or "party plates" — are mandatory for repeat DUI offenders, and whenever a driver's blood-alcohol level is twice the legal limit. While there is a public shame that comes along with these license plates, it also helps the police spot these vehicles when patrolling highways.

In the Lone Star State, it’s illegal to swear in front of a corpse. 

Amazingly, a special law prohibits an unmarried woman from parachuting (skydiving) on Sundays. Violation is punishable by arrest, fine, or both.