Take a look at the picture to the right. This was a picture taken of a dead creature that washed up on the coast of California. The thing had a neck 20 feet long and four flippers. Several people were eyewitnesses.
Incredibly interesting picture, how much more has been lost through the ages from ancient civilizations? Before the concept of "cultural heritage" was conceived, ransacking was common, even destroying by mere jealousy or religious zealotry.
This picture is an Indian Chief wearing his traditional head dress. Head dresses in Red Indian cultures generally represented your status, so for example the Chief in the picture has the largest head dress because he has the highest status.