Discover Navan Fort with your guide Cormac Ó hAdhmaill. The Discover Navan Fort app features presenter-led video clips that explore the rich archaeological and mythological heritage of this important prehistoric site. As you walk around the fort, GPS will trigger explanatory video that features maps, reconstructions and re-enactments relating to your location. For off-location use you can explore the site by using the onscreen map. Videos are available in English and Irish.