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

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

New York's oldest magic store.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The legendary building that needed ghostly approval before being built.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

An exquisite tunnel of cascading flowers.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

World's first "penitentiary," meant to be humane, drove men insane.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A kaleidoscopic warehouse-maze of handmade neon signs.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.