The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This giant spider sculpture made from the iconic car is one giant visual pun.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

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

One of Jeff Koons’s largest sculptures and his first commemorative work.

This bridge was constructed from the rubble of the infamous Bastille.

The narrowest street in Paris.

The Sun King's military models, saved from the Louvre.

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

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.

A local dialect born in the late 19th century is only spoken in this isolated California valley.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

An architectural experiment in the Lower Ninth Ward, this row house is capable of floating as high as the Katrina floodwaters.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

A house of courtship where the Jazz Age's most storied lovers got their start.

A prime example of New Orleans' unique architecture these early 20th century homes were built to look like steamboats.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.