A sign leading into town warns visitors of bats.

Residents reportedly leave their vehicles running all day and warn visitors against wearing glasses outside, as they will freeze to a person's face.

Signs warn visitors that the water is not safe to drink because the well is polluted.

Local people tell umbrella jokes and warn visitors to keep moving, lest they take root in the damp.

In the national parks the rangers always warn visitors not to feed the animals.

They rapidly warned staff and visitors of the archive, who were instructed to evacuate the building.

Sam Gershowitz warns visitors to his recycling center to park their cars outside the gates.

Set beside a marshy creek in the beautiful low country, it has signs warning visitors to leave their pretensions at the door.

Signs at the entrance to the preserve warn visitors.

The local coachmen used to warn visitors, you see.