Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

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.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

English antique dealers with a taste for the unusual.

London's old-school healing garden.

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

Hear the quietest sound from across the dome.

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

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

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

Rebuilt remains of a temple to Roman god Mithras.

One part local history, 99 parts gruesome haunted house.

This 1920s Dutch barge is now a floating bookstore.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

Eighty million natural history specimens call this gargantuan museum home.

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

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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