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

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

The oldest public library in Ireland.

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

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

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

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

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

Obelisks and stone pineapples in the Irish countryside.

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

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.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Ever wanted to can Spam?

This large midwestern cavern features impressive rock formations and an underground waterfall.

Half of a waterfall goes into the river while the other half seems to disappear.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

One man's extraordinary topiary garden in a small South Carolina town.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.