A series of abstract, silly sculptures represent the works of a great modern classical composer.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

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

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

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

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

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

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

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

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

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

This recently restored timepiece has stood all around Kansas City.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A kitschy, creepy St. Louis mainstay.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.