Belly up to the bar in Cowtown, don't forget to buy some boots.

This private residence was the template for one of the most beloved television homes of all time.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The celebrated eyesore created by starry-eyed sweethearts.

The tombstone of an unfortunate explorer who disappeared in the Paris Catacombs.

The video game-themed street art first popped up in the French city.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

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

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

This roadside wonder is as mysterious as it is beloved.

Journey inside the bowels of this sperm whale sculpture.

This tribute to the founding father of the American dictionary originally contained a spelling error.

The tragic tale of the dentist who pioneered the use of anesthesia.