The remains of one of Wales’ great medieval buildings, with a pub in the cellar.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

A well-studied colony of endangered bats roosts in this abandoned Victorian Gothic mansion.

One of the best-preserved examples of an old town lock-up in the country.

In addition to escorting prospective couples to and from ballrooms, this lane was also a place for gentlemen to settle scores.

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

Designed to celebrate the queen's 40th birthday.

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

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

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.

After years of slow decline, a derelict Gothic castle is now being restored to life.

Legend says this public grazing area hasn't been plowed for thousands of years.

This historic pub is a hidden gem for fans of Lewis Carroll.

These ancient ruins were the final resting place of King Henry II's mistress.

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.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

After a night ravaged by bedbugs, it's said King John ordered the creation of this weathervane.

The oldest working Brewery in Britain.

A unique flight of canal locks that owe their form to 19th-century cost-saving measures.

In a sleepy village in Oxfordshire, the visionary English writer's gravesite attracts a yearly pilgrimage.

A renovated henge and stone circle just south of Stanton Harcourt village.

This tangled English forest looks like something right out of a fairytale.

According to legend, a noble knight and a terrible dragon lie beneath this storied hill.