From the New Henge of Newgrange to the celestial wonder of Birr Castle, from the Swiss spymaster of west Cork to a near fatal international incident at Powerscourt waterfall, the first episode of "Ireland's Secrets From Above" brings us on a journey to the Southern and Eastern parts of Ireland. Patterns emerge, connections form and the secretive places we thought we knew are revealed.

From the Kerry village delivery boy who inspired the James Bond character "M", to the crash landing site of the first non-stop transatlantic flight and a giant footstep in the Burren discovered on Google Earth, the second episode of "Ireland's Secrets From Above" brings us on a journey to the Western and Northern parts of Ireland. From above, we explore the many enigmas and mysteries that lie hidden in the Irish landscape.