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

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

The oldest public library in Ireland.

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

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

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

Obelisks and stone pineapples in the Irish countryside.

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

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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.

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.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

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

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.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

The eerie remnants of an ancient forest were hidden under the sand for centuries.