An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

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

This mouldering abandoned mental hospital was once a center for progressive healing.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

The largest known open fault in the United States is basically a giant natural refrigerator.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

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

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

The oldest licensed distillery in Ireland.

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

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

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

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.

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.

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

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

Though they may seem like simple stones, these rocks represent a ghostly legend.

Pick up this rock and become an instant legend.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

Inside this museum, visitors venture through ghost stories entrenched in Icelandic folklore.

This museum dedicated to divination also honors a local 10th-century prophetess.