Mysteries of The World
The documented cases have substantially increased from the 1970s to current times. In 1991 two hoaxers confessed and claimed authorship of circles throughout England. Twenty-six countries reported approximately ten thousand crop circles in the last third of the 20th century. Ninety percent of those were located in southern England.
The Stonehenge landscape of Salisbury Plain, England
UFOs and Area 51
After UFOs were popularized by science fiction in the 1950s, the number of sightings went through the roof
UFO conspiracy theories center around Area 51 in Nevada, about 90 miles north of Las Vegas. The site houses a large air base that was selected in the 1950s for testing of a U-2 spy plane. It has since become America's testing ground for secret "black budget" aircraft before they go public.
Easter Island, also known as Rapa Nui, is remotely located 2,000 miles off the coast of Tahiti
Stone Spheres in Costa Rica
Discovered in the early 1940s in Costa Rica during excavations by the United Fruit Company, these perfectly formed stone spheres date from 600 AD to the 16th century. Their makers and purpose still unconfirmed, many believe them to be some religious effigy made to worship the sun.
The Bermuda Triangle is held responsible for the disappearance of countless airplanes and boats in the ocean between Florida, San Juan, and Bermuda.
The mysterious moving stones of the packed-mud desert of Death Valley have been a center of scientific controversy for decades. Rocks weighing up to hundreds of pounds have been known to move up to hundreds of yards at a time. Some scientists have proposed that a combination of strong winds and surface ice account for these movements. However, this theory does not explain evidence of different rocks starting side by side and moving at different rates and in disparate directions. Moreover, the physics calculations do not fully support this theory as wind speeds of hundreds of miles per hour would be needed to move some of the stones.
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