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

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

Notorious artist squat renovated into legal studios.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The most loyal of little dogs, or a Victorian era publicity stunt?

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

The world's smallest drawbridge.

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

The celebrated eyesore created by starry-eyed sweethearts.

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

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

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

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

The modern birthplace of Irish freedom.

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

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.