Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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

An unusual manor of stunning beauty, born out of a crippling disease.

Obelisks and stone pineapples in the Irish countryside.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

Local legend says the remains of Father Christmas lie within the medieval grounds.

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

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

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

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

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

This memorial was created by an Irish nurse who lived in New York City during 9/11.

The remains of a majestic house that was once stood in the crosshairs of the Irish Republican Army.

Not actually a shop, but one fan's passionate show of support for a rival county's Gaelic football team.

A gated cross stands on the site where an Irish revolutionary met his end.

A teddy bear sits on a chair watching the sunset from the mountaintop—just as the late Dan Clancy had done since childhood.

It's said this geological anomaly was caused when the Devil took a bite out of the Irish mountainside.