Crop circles: Myth, mystery and history

Crop circles that mysteriously appear in farmers' fields have puzzled experts and sparked UFO theories.

Related Keywords

Hollywood ,California ,United States ,Australia ,United Kingdom ,Washington ,Australian ,Ken Amis ,Zealand Herald ,National Geographic ,Smithsonian ,Washington Post ,Lock Haven University ,La Times ,Lockhaven University ,South West England ,Smithsonian Magazine ,Mowing Devil ,Oxford Reference ,Australian Geographic ,Harry Eilenstein ,Julia Set ,Horace Drew ,New Zealand ,Truth About Crop ,Weather Channels ,