The oldest temple of the Sun has been discovered in northwest Bulgaria, near the town of Vratsa, aged at more then 8000 years... about 3000 years older than Stonehenge.

LINK

With  pyramids in Bosnia and all over the world, seems someone made a very good strategic cover of the Earth.

More on Pyramids of Visoko http://www.bosnian-pyramid.com/journal/2010/12/18/report-on-the-bosnian-pyramids-ravnes-tunnels-second-part.html