S1, E3: Siobhán McSweeney explores the caves of a geopark; she steps closer to heaven on the Cuilcagh Mountain Boardwalk; discovers the Lough Erne monuments.

S1, E3: Siobhán McSweeney explores the caves of a geopark; she steps closer to heaven on the Cuilcagh Mountain Boardwalk; discovers the Lough Erne monuments.