Tucked in the back of this amazing antique store is an important piece of medical history.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

Where America's first doomsday cult awaited the end of the world.

Stroll through a wonderland of stupendous moss-covered trees.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The oldest stone house in Paris was built by its most famous alchemist.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A museum and shop on Bourbon Street located in the French Quarter.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Enormous lake at the bottom of a unique cave system.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A beautiful Victorian-era cemetery, complete with a miniature village.

Started as a kitchen garden, now the second largest botanical garden in the world.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Resting place of Hollywood's immortals is also site of summer film screenings.

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

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

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.