In 1977, an eccentric book lover formed a micronation for book lovers.

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

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

This handsomely carved wooden church is more than 800 years old.

Go deep down into the earth to experience the world of Welsh coal miners.

The largest known medieval map of the world.

Asthmatic Charles Hyett's son built a fantastical garden for his father to convalesce in, alas it was too late.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

This hilarious English intersection is an automotive whirlpool.

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

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

The home of an eccentric Edwardian gentleman is packed to the rafters with handcrafted items collected over a lifetime.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

This fantastic museum honors Gloucester waterway heritage.

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

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

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