The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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

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

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

There's an exclusive Beefeaters pub hidden in the Tower of London.

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

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

Eighty million natural history specimens call this gargantuan museum home.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

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

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

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

These docile dragons are ideal inhabitants for the conservatory greenhouses.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

This hilarious English intersection is an automotive whirlpool.

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.