The oldest continuously operating mint in the world that has been making coins since the 9th-century.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

Paris' linguistic guide to the international language of, yes, love.

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

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

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

The modern birthplace of Irish freedom.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

This giant roadside fruit is home to an array of apple-based treats.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The 18th-century church's stained-glass windows tell the story of the Haudenosaunee people.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Montreal's colorful subway station shows its support of the local LGBT+ community.

A historic Montreal market that was the city's agricultural hub for over century.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.