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Stonehenge
The prehistoric stone circle on Salisbury Plain, aligned with the solstice sun
No monument in Europe has drawn more speculation from fewer facts. On the open chalk of Salisbury Plain, a ring of gray sandstone blocks capped with lintels stands where Neolithic people began building some 5,000 years ago, centuries before the Great Pyramid. Its axis frames the sunrise at the summer solstice and the sunset at midwinter, and the stones were hauled from as far away as Wales and, it now appears, northern Scotland. Who built it is broadly known, farming communities of Neolithic Britain, but exactly why remains open. Burial ground, calendar, temple of ancestors and healing place have all been proposed, and Stonehenge remains the most recognizable prehistoric monument in the world.
The monument sits in a gently rolling landscape about 13 kilometers north of Salisbury in Wiltshire, surrounded by hundreds of burial mounds and earlier earthworks. Its outer circle, about 33 meters across, was built of sarsen stones that stand around 4 meters high and weigh up to 25 tonnes, hauled from West Woods some 25 kilometers to the north. Inside stood five great trilithons in a horseshoe, the tallest rising more than 7 meters, held together with woodworking joints cut in stone. Smaller bluestones were brought about 225 kilometers from the Preseli Hills of Wales. Visitors today walk a path around the stones from a visitor center opened in 2013, and the stones are opened for close access at the solstices and equinoxes.
Building began around 3000 BCE with a circular ditch and bank, the great sarsens went up around 2500 BCE, and the bluestones were rearranged for centuries afterward, until about 1500 BCE. A 2024 study traced the six-tonne Altar Stone to northeast Scotland, more than 700 kilometers away. Medieval writers credited Merlin, and later antiquarians the Druids, who came much later. The site is owned by the Crown and managed by English Heritage, while the National Trust owns much of the surrounding land, and UNESCO inscribed it with Avebury in 1986. It recorded about 1.25 million visits in 2025. The UK government cancelled a planned road tunnel beneath the World Heritage Site in 2024 and formally revoked its consent in 2026.