This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

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

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

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

The oldest stone house in Paris was built by its most famous alchemist.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

This emotive sculpture was originally created for the 1878 World's Fair.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

The video game-themed street art first popped up in the French city.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This house's itty bitty size means no humans allowed.

Breathtaking and huge 430 year old maps of Italy.

Mountain where Jesus was first tempted by the Devil.

Week-long block party becomes a competition for the best decorated street.

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

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

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.