A unique waterfall that some believe attracts the fairfolk.

This tangled English forest looks like something right out of a fairytale.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The longest hedge maze in the world.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

Wander among the abandoned ruins of this once-powerful medieval town.

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

The world's tallest box hedge is found in a delightful garden.

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.

A moody and picturesque riverside ruin overgrown with vegetation.

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

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

Obelisks and stone pineapples in the Irish countryside.

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

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.