Stonehenge is easily one of the most recognizable monuments in the world. The prehistoric circle of massive standing stones rises out of the Salisbury Plain in England, with construction believed to have begun over 5,000 years ago. Although the site remains unfinished, archaeologists estimate that the Stonehenge that exists today took centuries to complete, with six phases of building stretching across the Neolithic and Bronze Ages.

Despite its fame, Stonehenge has always been shrouded in mystery. Archaeologists still don't know why it was built and how ancient people managed to move stones weighing up to 25 tons from quarries located 100 to 150 miles away – especially without modern tools. Now, a surprising discovery may offer some clarity. Scientists recently analyzed organic material

See Full Page