As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

100 year tradition of fist fights, marked by marble footsteps.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A neo-Gothic castle in the Argentinian countryside.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

A musical instrument played by the sea.

An ethereal glowing blue ocean cave in Croatia.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

The first green space constructed on an elevated viaduct.

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

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

A surrealist timepiece by the artist of melting clocks.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

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

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

A mechanized clock where a man fights off a dragon, crab, and rooster.