It's possible to walk inside one of the largest Neolithic tombs in Britain.

The world's largest museum devoted solely to the whirlybird comes complete with its own chopper graveyard.

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

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

Banksy's image of a naked man dangling from the window of a sex health clinic.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

A petite castle folly in the English countryside.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

This crumbling headstone commemorates the first death by tiger in Britain's history.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Local lore says passing infants through its holes could magically cure them of measles and rickets.

The "father of immunology" used this humble hut to offer the local people some of the world's first free vaccinations.

The only medieval bridge in Britain with its defensive tower still in tact.

A collection of early 19th century trams set in a reconstructed period village.

In an isolated field near a dilapidated barn stands this chilling portrayal of the plight of the Nuba peoples of Sudan.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."

Every year locals tumble 650 feet down to the bottom of the hill chasing a Double Gloucester cheese.

A small village in two different countries.

The remains of the oldest synagogue in Britain lay forgotten for seven centuries, hidden under a humble shop.

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

This tiny business claims to be "the smallest pub on the planet."