Originally Posted by Alrik Fassbauer
In an legend/fairytale it was told that Merlin had (re)built Stonehenge, probably that's why.
Current age speculations are set by the data Archaeologists got ffrom diggings there - within Stonehenge, there were found a few graves.
There's an fascinating film by the National Geographic about Stonehenge, too.
In it, an Archaeologist speculates that Stonehenge was originally part of two sites with different symbolic meanings.