Since Google began mapping the world with Google Earth and Google Street View, an entire pastime - Google mystery hunting and debunking - has cropped up. From unidentified flying objects to people with horse heads, there's no shortage of weird things that have appeared on Google Earth and Street View.
An underwater creature was spotted on Google Earth, off the coast of Delray Beach (close to Fort Lauderdale). The creature (or object) is clearly visible beneath the surface of the water, and if it's not a monster from the deep...what is it? See it for yourself.
See also: 11 funny UK sights on Google Street View
A network of criss-crossing lines, resembling a grid of streets, was spotted 620 miles off the coast of northwest Africa, near the Canary Islands, on Google Earth. The rectangle is large in size and happens to be at one of the proposed locations of the lost city of Atlantis, which is believed to have sunk beneath the ocean around 9000 B.C. Despite that coincidence, Google has debunked the mystery, explaining that the lines are actually ship tracks created by a boat gathering bathymetric data of the ocean floor.
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See also: The 16 strangest sights in Google Earth