Despite its ornamental looks, this towering Tuscan-inspired anomaly was a masterpiece in hydraulic engineering.

The first privately owned air raid shelter in Britain, built after a horrifying night of Zeppelin bombings.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

A rotating bridge that carries a little canal over a larger one.

The house in the middle of the motorway.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

A deserted medieval village where bodies were once mutilated to prevent them rising from the dead.

A six-ton wedding present for the King of the Scots.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Modern commuters still pass through this 2,000-year-old Roman archway.

Inside this chapel, Victorian jailers took the separate system to new levels.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

The oldest of the three remaining bridges in England with buildings on top of them.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A well preserved remnant of the English Civil War.

This English medieval castle is where King John died of dysentery.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

An unusual stone chair can be found on the banks of the River Wear, not far from Durham Cathedral.

A monument with a strange legend involving a horse's tongue.