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

A hugely vast Irish landscape of barren rock that stretches for miles.

Wallabies live naturally on this Irish island.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

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

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

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

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

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

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

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

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.

The ruins of a medieval monastery named after a type of tree.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

This ancient Irish landscape boasts hundreds of legendary ruins.

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

Though they've since been renamed, these two streets hint at Dublin's darker days.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

A stunning Victorian abbey and walled garden on a lakefront.

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

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