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

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

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

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

A winding, blood-red tunnel of hardened lava navigable by foot.

Climb right into the heart of this colorful Iceland volcano.

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

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

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

This World War II relic let Allied pilots know they were entering neutral airspace.

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

The artwork is a community's ode to the "father of Irish tourism."