What are some really weird towns or cities out there?

Are there any messed up towns or cities that are known for something out of the ordinary? Like maybe a town that has an 80’s theme where everyone dresses and acts like in that time period, or a city that has like, 100 libraries, or perhaps a town that has a boot camp which teaches people how to be ninjas. Anything weird like that. Do such towns or cities exist? Have you ever been to some messed up place that seems out of this world? Or heard of one?