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

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

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

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

Some of the saint's blood and bones are said to reside in Dublin.

Though they've since been renamed, these two streets hint at Dublin's darker days.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

The world's tallest box hedge is found in a delightful garden.

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

A standing relief of a Norman knight whose posture marks him as a Crusader.

A hugely vast Irish landscape of barren rock that stretches for miles.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

After being destroyed by IRA sympathizers, the ruins of this stately Irish manor have sat vacant for decades.

This single room has survived the centuries with almost no deterioration.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

Obelisks and stone pineapples in the Irish countryside.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

The ancient tomb acts as a calendar that keeps perfect time.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.