Go inside to really appreciate this 500-year-old technological masterpiece.

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

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

The construction of a tram line unveiled hidden remnants of the old medieval city.

This massive blockhead sculpture hides an entire library.

This garden houses the remains of the ancient Greek port of Marseille.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

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

This Parisian gem is one of the most incredible ethnographic museums in the world.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

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

Site of a classic 19th-century physics experiment to prove the earth is rotating.

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

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

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

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

California's longest-running tourist attraction is a stump.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

The second tallest railway trestle bridge in America.

One of the most comprehensive collections of historic Native American culture in the country reframes artifacts as artwork.