One of the oldest libraries in England, and one of the last of the great medieval chained collections.

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

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

This Scottish manor house is a lush relic from the life of a literary great.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

Geodesic dome luxury retreat in the Scottish Highlands.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

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

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

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

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

Two plaques commemorate the site of Shakespeare's first theatre.

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

Stonehenge has nothing on Castlerigg’s views.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

A friendly pub with a sordid past in cock fighting.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

The stately remains of Llywelyn the Great's mighty fortress.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.