The atmospheric road was never meant to be so creepy.

The largest stone circle in Ireland.

At the time of its construction, this hydroelectric power plant was the largest in the world.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

A stunning medieval castle owned and restored by the famed actor Jeremy Irons.

The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

A retired military stronghold on the rolling green coast of Donegal.

An Irish peat mine has become a stunning sculpture park.

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

A former fortified tower now houses a collection of classic communications equipment.

Ireland's only German military cemetery holds the remains of a spy who was moved there under the cover of darkness.

Ancient Bronze Age rampart that was used into the middle ages.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

This Neolithic passage tomb forms part of a World Heritage Site.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

An oddly conical beacon perched atop beautiful Irish cliffs.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

This small Irish village suffered the greatest loss of life when the Titanic sank.

Fluffy and friendly alpacas nestled against the border of the beautiful Connemara region.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.