A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

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

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A speakeasy takes on Chicago's drinking culture.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This South London cemetery holds the remains of more than 15,000 people.

Stalactites and stalagmites in a beautifully lit cave.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

These fantastically named natural pools look like something out of a Scottish myth.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Surreal riveted sea forts once protected the Kent shores from German attack.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

Tubing through a cave lit with glowworms is a magical underground experience.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Every autumn, this hillside is ablaze with red summer cypress.

The beautiful baroque library of the Hapsburg empire.

Centuries-old bridges grown from tangled roots.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

The atmospheric road was never meant to be so creepy.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.