Over 5000 years ago, Neolithic people constructed the Newgrange tomb where on winter solstice sunlight travels a passage to the central burial...

Telling time is one of civilization's oldest arts using stone alignments to see the rising sun and following its shadows through the day and seasons.

In 150 CE Roman architects build the Pantheon with an incredible dome of concrete, styled with an oculus - a hole - at the very top.  The...

The Carnac Stones are as old as Stonehenge.  What do they represent?