For some they're mythical creatures that exist only in stories, for others they are other worldly beings that need to be respected at all costs, even if it means bending roads around them. It turns out that a lot of people have strong feelings about fairies and fairy forts.
Dermot and Dave spoke to listener Valerie Kelly from Galway who has gone from studying archaeology to teaching the luge to working on some of the biggest sites in the country as an archaeologist.
She revealed all about life as an archaeologist, gave her take on whether roads should be built around fairy forts and revealed how she once thought she'd found Shergar in Naas.