An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

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

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

This natural sea arch highlights Ireland's rugged coastal beauty.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

A stunning Victorian abbey and walled garden on a lakefront.

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

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.

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

A Victorian marvel of engineering is now a 21st-century tourist attraction.

One of the largest lenses of its kind ever created, this former ship beacon has been brought down to Earth.

This massive monument has been telling the time for 150 years—at a slight angle.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

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

A museum marks and documents the site of the Titanic's launch.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.