In Oklahoma, a state with no significant bodies of water, it's illegal to go whaling, have premaridal relations,
Another one in my state is that it's illegal to keep time in any way with music being played in food service businesses.
In Indiana the value of π is legally ruled as simply and only 3 and you can legally avoid paying for a dependents medical care by praying.
There's thousands of them...people are legimately brain dead on a whole.