One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

Third time's a charm, or in this case, two testicles are.

The secret medieval communication system will whisk your words above the noise of the crowd.

A twisted steel beam from the wreckage of the World Trade Center is the centerpiece of this memorial for those who died on September 11, 2001.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

See what remains of a once grand ancient Roman circus.

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

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

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.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

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

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

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The only museum with its curator—and her pets—buried inside.