This fertility idol of questionable authenticity inspired an iconic Indiana Jones artifact.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

An overlooked memorial honoring the local Washington residents who died in World War I.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

A surrealist timepiece by the artist of melting clocks.

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

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

This massive library holds what was once the largest book collection in the world.

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

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

France's most famous cemetery, with some of its most curious tombs.

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

This Funeral Hearse Museum represents the finest in cadaver transportation.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

A once-secret library of Freemason history in Catalonia.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.