The West Kennet Avenue of 100 pairs of standing stones is particularly haunting, as is Silbury Hill, Europe's largest artificial prehistoric mound. Why these ancient monuments were built and how ...

This 1968 dig was not, however, the first attempt to uncover the secrets of Silbury Hill. The Duke of Northumberland sank a shaft into the mound in 1777. A tunnel was dug in 1849, while in 1922 ...

Discover the Devil’s Den, a sealed Neolithic burial tomb, and Silbury Hill, a mound as large as it is confusing to experts who cannot determine why it was built. Walk the halls of a 500-year-old ...