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

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

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

These mysterious mazes carved on the rock may be up to 4,000 years old.

A writer's tiny retreat built from salvaged shipwreck timbers.

This ancient church, rebuilt at least 3 times, is flanked at all sides by history.

Grab a cuppa at England's first and only domestic tea plantation.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

Fantastically decorated underground chambers built in the 1760s.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A sweet symbol marks the place where torturous executions were once carried out.

A open air theatre built on a cliff by an eccentric British woman.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

A remarkably well preserved tower dating all the way back to the Iron Age.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

The cedar tree in Highgate Cemetery earned its title by accident.