"A series of prehistoric stone structures, reminiscent of Stonehenge but taller and possibly earlier, have been located 3,500ft above sea level on a mountain in Calabria, southern Italy"

I have looked up the site using the Alexandria Digital Library Gazetteer Server and it is at:

Longitude: 16.350000 (16°21'0"E)

Latitude: 38.433334 (38°26'0"N)