A mysterious artist-run cabinet of curiosities and library.

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

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

A cluttered and astounding collection of antiquities and curiosities.

The remains of Crystal Palace Great Exhibition of 1851.

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

Hear the quietest sound from across the dome.

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

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Remnants of a Victorian garden feature sitting in public woodland.

The anatomical-pathological collection of a man who changed surgery.

A little slice of Japan and its aesthetics in London's Holland Park.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

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

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 student driver's nightmare.

Eighty million natural history specimens call this gargantuan museum home.

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

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.