4. Stonehenge
Rising from the Salisbury Plain, Stonehenge captivates visitors with its imposing stones and precise alignment to the solstices. Despite decades of research, historians still puzzle over both its original purpose—whether as a ceremonial site, astronomical observatory, or burial ground—and the techniques used by Neolithic builders to transport and raise the massive stones. This ancient monument continues to spark debate and wonder, its secrets still locked in the distant past. Read more at English Heritage.
