Weirdness from the past...

These are the 10 most puzzling Ancient artifacts known to man... (According to About.com's "Paranormal" section):

-The Grooved Spheres

-The Dropa Stones

-The Ica Stones

- The Antikythera Mechanism

- The Baghdad Battery

- The Coso Artifact

- Giant Stone Balls of Costa Rica

- Impossible Fossils

- Out-of-Place Metal Objects

- Ancient Model Aircraft


Dunno.... you decide:

http://paranormal.about.com/library/weekly/aa011402a.htm