The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

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

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

Eighty million natural history specimens call this gargantuan museum home.

Hear the quietest sound from across the dome.

Catacombs turned marketplace.

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

Rebuilt remains of a temple to Roman god Mithras.

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

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

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

This South London cemetery holds the remains of more than 15,000 people.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

"Try not to knock anything over!"

Millions of numbers carved in glass represent the tattoos forced upon victims.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The only remaining place where you can play this century-old game for cash.

In Gloucester, Massachussets, fishermen celebrate a successful year at sea by charging a lubed pole to capture an Italian flag.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

The world's largest piece of copyrighted artwork.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.