The circular enclosure, or 'henge', is believed to date from 2,500 BC

On Tuesday, this happened...

The heatwave is the gift that keeps on giving and even if archaeology isn't your thing, you have to admit that this looks pretty amazing. 

Anthony, who is an historian with Mythical Ireland, has been studying the archaeology of the Boyne Valley for years but has never seen these before.

On this morning's Dermot and Dave, we gave Anthony a call to find out all about this incredible discoveries and how the dry spell made it possible.

You can listen to the chat in full by pressing play in the image above the headline at the top of the page.