A mysterious Neolithic tomb is perched along the edge of a modern golf course.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

Ireland's only German military cemetery holds the remains of a spy who was moved there under the cover of darkness.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

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

The oldest public library in Ireland.

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

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

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

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