Do these signs have a reason to exist? Apparently, yes they do, but they probably cause more confusion that they would to inform. Here's checking out some of the most bizarre signs that actually exists. Check it out:

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.