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

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A Roman spa buried deep beneath the City of London.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

This unassuming building produced some of the world's most famous bells.

Ship-sized kinetic sculptural fantasy.

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

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

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

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.

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

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

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

Where condemned pirates met their grisly end at the gallows on the River Thames.

A historic hill of tall tales, with one rather special tree.

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

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."