The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

This hidden green space is the city's second largest conservatory.

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

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

London's largest outsider art museum.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Collection dedicated to brands, packaging and advertising.

London's old-school healing garden.

A clock designed to run with perfect accuracy for 10,000 years.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

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

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A cluttered and astounding collection of antiquities and curiosities.

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

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A mysterious artist-run cabinet of curiosities and library.

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

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

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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

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

A tongue-in-cheek arcade where the games are based on everyday life.

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