English antique dealers with a taste for the unusual.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

London's old-school healing garden.

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

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

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

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

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

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

Hear the quietest sound from across the dome.

A historic house left in "dramatic still life."

Catacombs turned marketplace.

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

Eighty million natural history specimens call this gargantuan museum home.

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

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

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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

The curios of pharmacist and collector Henry Wellcome.