A former fortified tower now houses a collection of classic communications equipment.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

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

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

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.

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

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

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

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

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

This ancient Irish tower could easily have stood in for Rapunzel's prison.

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

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

The oldest public library in Ireland.

A corkscrew-shaped barn in Ireland.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

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

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

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

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

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

Outsider art meets paleontology at this roadside reptile repository.

A small Richmond island dotted with the remnants of hundreds of years of history.

It was meant to help transport wounded soldiers to a secret underground hospital.