An underground city of salt.

These remarkable cascades are the jewels of Upper Tees.

This Georgian Gothic building was created to shelter and feed deer.

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This enormous sculpture honors an English town's engineering and industrial heritage

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

This tiny island is home to the world's largest colony of Northern gannets.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

The most northern place on the mainland of Great Britain.

A bizarre stone beast lurks on the beach of a popular tourist island.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

A rocky outcrop where monks hid their most holy relic while escaping Danish invaders.

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.