Get in line for Lisbon’s most famous sandwich.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This giant sculpture made of trash is a critique of society's wastefulness.

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.

A unique seaside cave where Aleister Crowley faked his own death.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

This small chapel is built of human bones and decorated with a golden skeleton.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The world-record holder for the longest bridge stretching continuously over water.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The legendary building that needed ghostly approval before being built.

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

An unusual round church in London with a Templar past.

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

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

The only example of a Paris Métro sign in use at a subway station outside of the French capital.