Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

The curious and tiny collection contains some very odd objects.

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

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

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

An abandoned canal route lies hidden under the streets of Manchester.

Manchester's abandoned train depot lingers in a post-industrial purgatory.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

A tiny, hidden alleyway dedicated to the father of meteorology.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

This Manchester laundromat is hiding something.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

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

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

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

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

This crumbling folly looks like an enchanted left over from Middle Earth.