Governments are often chastised for lacking humor. While searching the U.S. Copyright Office website today I ran across this. A pretty darn good exception.
How do I protect my sighting of Elvis?
Copyright law does not protect sightings. However, copyright law will protect your photo (or other depiction) of your sighting of Elvis. File your claim to copyright online by means of the electronic Copyright Office (eCO). Pay the fee online and attach a copy of your photo. For more information on registering a copyright, see SL-35. No one can lawfully use your photo of your sighting, although someone else may file his own photo of his sighting. Copyright law protects the original photograph, not the subject of the photograph.