This small Irish village suffered the greatest loss of life when the Titanic sank.

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

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

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

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

This single room has survived the centuries with almost no deterioration.

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

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

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

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

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.