This Irish museum in a historic 19th century market pays tribute to the glory of butter.

Wallabies live naturally on this Irish island.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

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

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

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

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

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

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

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

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

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

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

Experience what life was like in Ireland during the Viking and medieval ages.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

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

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

The oldest public library in Ireland.

A corkscrew-shaped barn in Ireland.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

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

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