<ul><li>Stonehenge in England, a big stone circle, remains a mystery with questions about how the rocks were moved and its purpose still unanswered.</li><li>The tale of Atlantis, a mythical city that sank into the sea, has puzzled experts for centuries with doubts lingering over its existence.</li><li>Easter Island's Giant Heads, known as moai, continue to baffle researchers as they ponder how these huge stone statues were created and transported without modern tools on the remote island in the Pacific Ocean.</li></ul>

10 Mind-Boggling Unsolved Mysteries from History That Still Baffle Experts

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