A museum showcasing the life of "Buffalo Bill"

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Lord Byron's embalmed body lies within this medieval church.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

The castle still holds traces of the abandoned Roman fort it was built atop.

How did a French journalist’s grave become the sexiest statue in the cemetery?

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

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

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

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

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

France's national museum of scientific and industrial instruments.

The celebrated eyesore created by starry-eyed sweethearts.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

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

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

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

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

The 606 is a decade in the making.