Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

A tribute to a great Texas blues musician.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

One of downtown Berlin's last reminders of its Communist past.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Museum preserving torture methods from the past.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

The world's longest continuously running show has played at this small West End theater since 1974.

The ritual has been performed uninterrupted for nearly 700 years.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

Eighty million natural history specimens call this gargantuan museum home.

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

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

The largest recovered section of Titanic sits in a hotel in Las Vegas.