There's an exclusive Beefeaters pub hidden in the Tower of London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This sanctuary is home to donkeys who finally get to rest after a life of toil.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Founded as a refugee camp, now a popular tourist spot.

Single runway interrupted by a busy road that cuts across its middle.

Take a walk in a recreation of ancient Rome.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

Two stone columns flank the grand Venice square, but there were supposed to be three.

100 year tradition of fist fights, marked by marble footsteps.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

This print shop boasts one of the largest pinball arcades in San Francisco.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

An architectural oddity hides in plain sight on this iconic London bridge.