When methane gas started seeping up from the ground, they picked up and moved the entire town.

A lavish Victorian mansion wound up inheriting a gruesome reputation that would be its demise.

This old Victorian bathhouse is fed by an ancient spring.

This jewel of an engine is one of Northern England's finest surviving legacies of the Industrial Revolution, even catching the eye of Henry Ford.

These ruins are a monument to the region's industrial heritage, and the site of England's worst mining tragedy.

This 2,000-year-old tree inspired the nursery rhyme "Rock-a-bye Baby."

One of the town's most famous residents, holding one of his most famous creations.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

A repurposed railway tunnel with otherworldly acoustic characteristics.

A stone wall commemorates the legend of a ferocious dragon who literally got his butt kicked by a knight.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

A brick foundation and piles of listing building materials are all that remains of this World War II POW camp.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

A stone obelisk towering over the surrounding countrysides beckons hikers across the rolling moors.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

These quintessentially English stepping stones were built for Victorian tourists.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A hundred copies of Antony Gormley's naked body stare out across the water.

These precariously placed ruins harken back to a 13th-century castle.