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

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

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.

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

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

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

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

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

The ruins of a sixth-century monastery sit on the banks of the River Shannon.

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

This ancient Irish landscape boasts hundreds of legendary ruins.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

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

A map made up of 32 different materials, representing Ireland's 32 counties.

One of Ireland's best-preserved chambered cairns can be found next to a wishing tree.

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

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

When the tide is high, you can see the Atlantic pushing up through a deep, jagged hole in the rock.

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

A stunning Victorian abbey and walled garden on a lakefront.

A moody and picturesque riverside ruin overgrown with vegetation.

For more than two centuries, this family-run establishment has been serving up some of Ireland's best oysters.

The ruins of a monastery that dates to the 7th century.

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