Stonehenge

Stonehenge, a great and ancient stone circle in Wiltshire, known as one of the wonders of the world. The site and its surroundings were added to the UNESCO's list of World Heritage Sites in 1986, and it is also a legally protected Scheduled Ancient Monument. Stonehenge itself is owned by the Crown and managed by English Heritage while the surrounding land is owned by the National Trust. Stonehenge was formerly owned by a local man, Sir Cecil Chubb, and he gave it to the nation in 1918.
There were three fases in building Stonehenge. The first fase was around 3100 BC and the circle was made of wood (not of stones) and around it was a ditch. In 2500 BC the circle was rebuild with bluestones comming from South Wales, so they made a trip of 380km with five ton stones, which is hard to conceive in that time. Stonehenge as we see it today was how it became after the thirth fase, about 2300 BC.

There is little or no direct evidence for the construction techniques used by the Stonehenge builders. Over the years, a number of authors have indicated that supernatural or anachronistic methods were used, generally asserting that the stones were impossible to move otherwise. On the other hand, traditionally techniques using Neolithic technology have been demonstrably effective at moving and placing stones this size. Considered functions for the site include usage as an astronomical observatory, or as a religious site. Other theories have advanced supernatural or symbolic clarification for the construction.
When Stonehenge became open to the public it was possible to walk amongst and even climb on the stones. As a result of serious erosion, this ended in 1977 when the stones were roped off. Visitors are no longer permitted to touch the stones, but merely walk around the monument from a short distance. English Heritage does however permit access during the summer and winter solstice, and the spring and autumn equinox.