Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

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

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

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

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

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

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

The bones of two medieval royal lions were discovered at the historic fortress.

The ritual has been performed uninterrupted for nearly 700 years.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Pop culture has helped to keep this iconic British building from being destroyed.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Before becoming a poet John Keats studied here to become a surgeon.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

The fences outside some of South London's estates are made from recycled World War II stretchers.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

Hear the quietest sound from across the dome.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This striking statue brings a scene from the African savannah into central London.