The site was first unearthed during construction work for airport improvements in the late 70's. Since 1995, University of Bradford staff and students, professional archaeologists and local volunteers have been excavating the site and cataloguing the finds.123
The site is managed by the Shetland Amenity Trust. In the summer, costumed guides provide tours of the site and the replica Iron Age and Pictish buildings. The visitor centre also includes exhibits, and there are demonstrations of ancient crafts.