Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Elevated freight railway turned wildly successful urban park.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

The small bright red pillar survived the 1996 Manchester bombing virtually unscathed.

Follow the original medieval paths that wind through this intriguing section of the city.

Seat of the Duke and Duchess of Devonshire for centuries.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Largest lake in Great Britain measured by surface area.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The heads of two giant mythological water horses honor Scotland's horselord past.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A modern English garden of eccentric beasts, follies, and oddities.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Catacombs turned marketplace.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

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

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

The sign at the garden gate reads: "These Plants Can Kill."