Semi-precious Blue John stones have been mined in this cavern system for centuries.

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

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

A memorial to a dog that inspired rioting in the streets of London.

One of England's most famous churches hides a pair of little known architectural treasures.

Astonishing rock formations dot the Brimham Moor landscape.

Enter the world under the hill at this ancient UK burial chamber.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

This hidden green space is the city's second largest conservatory.

The most loyal of little dogs, or a Victorian era publicity stunt?

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

A museum wholly devoted to juvenescence.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

Grotto replete with mystical designs laid out in glued shell mosaics.

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

Ship-sized kinetic sculptural fantasy.

Stonehenge has nothing on Castlerigg’s views.

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

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

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