Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

It's good luck to be mocked by this monkey.

A stunning Victorian abbey and walled garden on a lakefront.

A hugely vast Irish landscape of barren rock that stretches for miles.

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

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

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

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

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

Horse cemetery on the grounds of Blarney Castle.

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

Experience what life was like in Ireland during the Viking and medieval ages.

The modern birthplace of Irish freedom.

The oldest public library in Ireland.

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This Neolithic passage tomb forms part of a World Heritage Site.

The ancient tomb acts as a calendar that keeps perfect time.

Northern Ireland's church-turned-skate park.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.