One of the oldest lighthouses in the world, this structure was built more than 800 years ago.

Designed to commemorate the king's coronation.

A massive Celtic cross secretly growing in an Irish forest.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

This natural sea arch highlights Ireland's rugged coastal beauty.

Wallabies live naturally on this Irish island.

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

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

A stunning Victorian abbey and walled garden on a lakefront.

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

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

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

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

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

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

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

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

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

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

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

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.