America's Stonehenge & Skelling Michael (Ireland)

The stonework at the 4000 year old site in ancient America and that of ancient Celtic stonework look similar. Judge for yourself.

https://en.wikipedia.org/wiki/Barry_Fell

http://www.worldheritageireland.ie/skellig-michael/built-heritage/the-monastery/

https://en.wikipedia.org/wiki/Skellig_Michael

https://en.wikipedia.org/wiki/America%27s_Stonehenge

https://en.wikipedia.org/wiki/Grianan_of_Aileach

https://en.wikipedia.org/wiki/L%27Anse_aux_Meadows