Not so stupid as just funny. . .
This sign is out back of a tire place across from the Pilot in Van Horn TX; you can see it from the Interstate, usually. Been there for years, has always cracked me up, so I finally took a picture of it:
This only-in-Texas Handicap Parking sign was outside a small store in Lajitas, on my way from Big Bend through Terlingua and the borderland to Presidio:
and this one, just because of its fractured English.
More like this last on engrish.com (like "please don't airbornely throw the thing" for "please don't throw trash")