One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Astonishing rock formations dot the Brimham Moor landscape.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Follow the original medieval paths that wind through this intriguing section of the city.

This disused Cold War bunker has been restored to all of its early 60s glory.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This hilarious English intersection is an automotive whirlpool.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

Science fiction's grandfather has a fittingly marvelous tomb.

The encased skull that is widely believed to belong to St. John the Baptist.

The last four extravagant street signs of London's historic banking street.

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

Pop culture has helped to keep this iconic British building from being destroyed.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

The final resting place to 300 Victorian-era pets hides inside the city park.

London's smallest police station is barely the size of a phone booth.

These "bridges" help confused bats cross the road.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

A legendary rocking stone, returned to its clifftop perch.

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

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

The largest greenhouse in the world is home to over one million types of plants.