Tyrone is one of the six counties that form the area of Northern Ireland. The county is home to Ulster History Park, an open-air museum that contains lots of stone figures that go back to the Stone Age, in addition to other remains from different ages, some of which date way back to the dawn of history. Tyrone has many historic dwellings including Lissan House, and Killymoon Castle. On Saturday, Cookstown town accommodates an out-of-door market in its main street.