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

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

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

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A lush green oasis in the middle of Chicago.

This historic hotel invented the chocolate brownie.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

The palatial McDonald's that inspired Wesley Willis.

Years of archaeology, just chillin' by the water cooler.

A hot dog stand where the heads are just as hot as the dogs.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Home to a protest movement, a bombing, and a dramatic change in labor history.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A Bibliophile's Dream.

The subtle science of a master molecular gastronomist.

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

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

A beautifully eclectic mix of architectural styles.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.