A rotating bridge that carries a little canal over a larger one.

In Egypt's expanding metro area, many of the neighbors are dead.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This 47-story "M" needed 20 years to be completed

This eye-catching roundabout sculpture commemorates one of England's best World War II-era "shadow factories."

The largest of London's subterranean rivers and once a mad, bad center of London life.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A great example of the inventive canal bridges that were deliberately split down the middle.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

Every hour on the hour a naked heroine and her leering foil appear from this giant cuckoo clock.

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

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

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

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The UK's oldest theme park slowly slips away.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Electrical pylon in the shape of Disney's beloved mouse.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Seat of the Duke and Duchess of Devonshire for centuries.