“Remotely located near Penzance in the west Cornish moors is the unique and enigmatic Men-an-Tol stone. Archaeologists suggest that the three stones that comprise the Men-an-Tol are the remains of a Neolithic tomb because various types of holed stones have been found near the entrances to many burial chambers…”
An aerial view of a group of round barrows and a long barrow at Winterbourne Stoke. Barrows are mounds of earth covering prehistoric tombs. The earliest barrow on this site dates from circa 2100 BC. via English Heritage
Jarlshof - The Most Amazing Historical Site I've Ever Seen
Jarlshof is the best known prehistoric archeological site in Shetland, Scotland. It lies near the southern tip of the Shetland Mainland and has been described as " one of the most remarkable archeological sites ever excavated in the British Isles ".
Silbury Hill, UK. Silbury Hill, near Avebury in Wiltshire, is the largest prehistoric man-made mound in Europe. It was created around 2660 BCE and stands 130 feet high, but its purpose is unknown. Despite centuries of study and excavation, it remains one of the most enigmatic of British prehistoric sites.