Don’t forget the standing stones of Callanish (located on the Isle of Lewis in the Outer Hebrides of Scotland)!
https://en.wikipedia.org/wiki/Callanish_Stones
Callanish Standing Stones
https://www.youtube.com/watch?v=YdTpyIR-_dU
The Standing Stones of Callanish - Isle of Lewis, Outer Hebrides, Scotland
https://www.youtube.com/watch?v=tNj3anshaLA
“The Standing Stones of Callanish” (music)
by Jon Mark
https://www.youtube.com/watch?v=PcvQ_yrymvo
https://www.youtube.com/watch?v=PhG6d1H6zBI
There is also a stone circle in Cork, Ireland, which the husband and I visited on our honeymoon. . Much smaller than Stonehenge, though.