The origins of Halloween traditions go back to an ancient Celtic festival involving animal sacrifice and a cave of demons in Rathcroghan, Ireland. Mike McCarthy, a tour guide at Rathcroghan, joins us.

Rathcroghan was the center of an ancient society in present-day Ireland. Take a look inside the demon cave home to Halloween's ancient Celtic origins This weekend, kids across the country will don ...

The Greek god Asclepius was a dragon who took human form to bring healing to mankind – modern doctors still gather under the symbol of his caduceus. Dragon-friend Daniel Ogden says Romans knew this ...

This weekend, kids across the country will don spooky costumes and go trick-or-treating. But did you know the origins of those traditions go back to an ancient Celtic festival involving animal ...