After nearly 60 years, there's still a bear at Paddington Station looking for help.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The ritual has been performed uninterrupted for nearly 700 years.

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

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

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Hear the quietest sound from across the dome.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

A living memorial to the trees London lost during the Great Storm of 1987.

A mysterious shape catches the eye in this 16th-century painting.

The television series' iconic giant foot was borrowed from this classical painting.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's smallest police station is barely the size of a phone booth.

The medieval woodcut-style artwork chronicles life in medieval London.

The broken skateboards that became a poignant memorial to a murdered skater.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

After becoming locally extinct, this esteemed avian now flies free in the forests around the ancient ruins.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.

The majestic, sacred tree is represented on this piece of public infrastructure.