Catacombs turned marketplace.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Banksy gives themself artistic license with this piece of London street art.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

This small Slovenian town has become a magnet for microbreweries.

This museum inside a museum tells the story of London's timepieces.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Less a museum than a bizarre fantasy world created by artists and engineers.

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

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A curious collection dedicated to human and animal anatomy and pathology.

The most visited, and possibly most controversial, museum in Germany.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A magical place that lets you play in and explore the world of Studio Ghibli.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.