An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

This tiny shop has been serving traditional tamales for more than 200 years.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

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

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

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

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

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

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

This coffee shop lies hidden beneath a historic church.

Giant, friendly pelicans in Central London, the most unlikely of places.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

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

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

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

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

Hear the quietest sound from across the dome.