A remarkably intact castle that once was the largest in Ireland.

An unusual manor of stunning beauty, born out of a crippling disease.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

Local legend says the remains of Father Christmas lie within the medieval grounds.

An 1814 castle that hosts an exhibit of "explorabilia".

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

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.

An ancient neolithic tomb that only sees the sun twice a year.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Wallabies live naturally on this Irish island.

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

A corkscrew-shaped barn in Ireland.

One of Ireland's most infamous prisons for rebels including men, women and children.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

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

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The prolific artwork of a self-taught sculptor.

Commonly acknowledged as the only public monument to the Devil himself.