Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A self-funded cemetery with a long list of inhabitants.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Old Danish castle immortalized in Shakespeare's Hamlet.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

A small subculture of boat dwellers keep their traditional way of living alive at this Hong Kong Typhoon Shelter.

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

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This impressive mansion in Vinegar Hill has some mysterious details in its architecture.

A decommissioned military complex that's now a modern industrial park.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This historic observatory contains the world's oldest refracting lens telescope.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The site of London’s first coffee house has been serving refreshments of one kind or another for 360 years.