The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

Every year locals give the bear a fresh coat of paint to preserve its signature goofy grin.

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

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

Northern Ireland's Brobdingnagian stepping stones.

A gated cross stands on the site where an Irish revolutionary met his end.

An abandoned faux-pub made famous by a Guinness commercial.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

The modern birthplace of Irish freedom.

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

This colorful statue welcomes visitors to a Barcelona park.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Mountain where Jesus was first tempted by the Devil.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.