A museum dedicated to exhibiting remarkable outsider art.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

The trials and tribulations of marking Poe’s grave.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Once America's tallest structure, now a Baltimore landmark.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Berlin's old airport.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Scattered throughout London are ancient remnants of the city's former bounding wall.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

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

Pop culture has helped to keep this iconic British building from being destroyed.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

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

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