A stunning Victorian abbey and walled garden on a lakefront.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

Behemoth, cannon-like telescope operated by generations of Irish earls.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

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

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

After being destroyed by IRA sympathizers, the ruins of this stately Irish manor have sat vacant for decades.

An 1814 castle that hosts an exhibit of "explorabilia".

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

A moody and picturesque riverside ruin overgrown with vegetation.

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

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

Obelisks and stone pineapples in the Irish countryside.

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.

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 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

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

A standing relief of a Norman knight whose posture marks him as a Crusader.

Huge standing stones mark a site of megalithic mystery.