This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

A friendly pub with a sordid past in cock fighting.

The largest of London's subterranean rivers and once a mad, bad center of London life.

These Victorian era devil sculptures were designed to spite a local vicar.

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

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

The last four extravagant street signs of London's historic banking street.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

A Roman spa buried deep beneath the City of London.

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

A collection of machines designed to break things for science.

Ship-sized kinetic sculptural fantasy.

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

King of the Saxons on top, Roman goddess of wisdom on the bottom.

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

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.

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

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

Decrepit Victorian public lift is a white-knuckle ride.