... southern Florida, and Puerto Rico. The sinister reputation of the Bermuda Triangle may be traceable to reports made in the late 15th century by navigator Christopher Columbus concerning the Sargasso Sea, in which floating masses of gulfweed were regarded as uncanny and perilous by early sailors; others date the notoriety of the area to the mid-19th century, when ... 1960s American astronomer Gerald S. Hawkins theorized that Stonehenge was an astronomical observatory and calendar of surprising complexity. Hawkins suggested that ancient peoples used the monument to anticipate a wide range ...

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