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

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

Taxidermied animals galore, by appointment only.

A quiet memorial to those who died saving others in the heart of the City of London.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

This secluded walkway overlooks a magnificently wild London green space.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

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

The curios of pharmacist and collector Henry Wellcome.

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

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A hands-off space for graffiti artists to hone and display their skills.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Hidden beneath the streets of London is a secret subway that only carried mail.

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

Cat art as far as the eye can see.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.