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

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

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.

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

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

A corkscrew-shaped barn in Ireland.

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

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

Obelisks and stone pineapples in the Irish countryside.

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

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

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

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

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

A moody and picturesque riverside ruin overgrown with vegetation.

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

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

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

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

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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