A quiet memorial to those who died saving others in the heart of the City of London.

Banksy gives themself artistic license with this piece of London street art.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A famous burial ground with a history both grim and literary.

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

A hands-off space for graffiti artists to hone and display their skills.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

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

It is against the law to obstruct the view from the top of this English burial mound.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

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

This London plaque marks the spot where David Bowie's famous alien made his debut.

An incarceration museum on the spot of possibly the oldest prison in England.

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

Catacombs turned marketplace.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

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

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

Public access to clean drinking water was an instant hit among the masses.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.