If only the mighty walls of Tully Castle could talk! But as they can't, check if tours are available to hear a couple of its intriguing tales instead.
You're spoiled for sightseeing choice when in Enniskillen. Tully Castle is a good place to begin here, but there are loads of other worthwhile attractions to consider. Lough Erne, Castle Archdale Country Park, and Lough Navar Forest are near the fortified complex and will round out your day nicely.