Outside a paint factory north of Manchester's city center, an inexplicable submarine sticking out of the ground.

This ancient abbey now lies in majestic ruin behind a caravan park.

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

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

Abandoned ship reimagined as a street art canvas.

This park is home to a collection of important industrial and religious sites.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Black cat statues guard this temple-like Egyptian revival factory.

This tiny traditional smokehouse is the only one left in this historic fishing port.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

Where condemned pirates met their grisly end at the gallows on the River Thames.

This nondescript building hides an entrance to an underground nuclear tunnel system.

A seaside town with no sea in sight.

A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.