Signs are generally supposed to be dull, simple and easy to read. So when one’s contents inspire dread instead of clarity, it’s either worked too well or someone really just overdid it. We’ve gathered some of the creepiest signs netizens have seen and shared online.

Dave Coulier entered complete remission after battling two cancers in 18 months. The "Full House" star credits early detection with saving his life.

The U.S. National Park Service noted that Old Faithful can vent extremely hot water at temperatures exceeding 200 degrees Fahrenheit. To prevent visitors from getting too close to the geyser, laws have been put in place to penalize those who skirt park warning signs.

On World Encephalitis Day, experts urge early recognition and timely treatment to prevent lifelong disability or death