These imposing walls and towers look more like the ruins of a fortress than a monastery.

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

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

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

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

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

Obelisks and stone pineapples in the Irish countryside.

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

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

The oldest pub in Ireland may also be the oldest surviving bar in the entire 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.

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

Just another ancient, mysterious Irish stone circle.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

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

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.

This supermarket offers shoppers a window into the past alongside their groceries.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

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

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