Three bridges straddle a stream, one stacked upon the other.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Collection dedicated to brands, packaging and advertising.

A house of bones — but nobody is quite sure to whom they belong.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

A naturally mummified 2,000-year-old man.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

A pagan tradition of draping trees with rags eerily lives on.

Giant, friendly pelicans in Central London, the most unlikely of places.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Abstract dinosaur models in London.

A clock designed to run with perfect accuracy for 10,000 years.

A 200-year-old prison that now houses a peculiar crime museum.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

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

A subterranean playground in an abandoned slate mine.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

One of the world's largest collections of pathological specimens.

The decaying ruins of Wales' first asylum for the mentally ill.

A unique waterfall that some believe attracts the fairfolk.