Numerous hilariously bizarre signs from around the world here.
e.g. "prohibit carrying animals and the articles which disturb common sanitation (including the peculiar smell of effluvium"
"The Museum is subject to constraint and preservation; inside are same paths and passages uncomfortable and tortoises. Pay attention during the visit."
"For your safety, please indentify the visitor before you open the door and buckle up the chain before you go to roost."
And many more