A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

The oldest public library in Ireland.

This supermarket offers shoppers a window into the past alongside their groceries.

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

Some of the saint's blood and bones are said to reside in Dublin.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

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

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

A particularly disconcerting tribute to Irish martyrs.

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

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

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

One person's collection from the era.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The eclectic seaside sanctuary caters to a rather fowl crowd.

Roman ruins top white travertine terraces formed by ancient hot springs.

Perhaps the most spectacular grotto along the Algarve coastline.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Designed to commemorate the king's coronation.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

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