Repository for more than 22 million pickled specimens.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A fantastic castle rumored to be the birthplace of King Arthur.

A hands-off space for graffiti artists to hone and display their skills.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

360° views of the city plus five floors of optical illusions and hands-on science.

The world's largest collection of witchcraft regalia.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.

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

This medieval manor house was equipped with secret compartments for hiding priests.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

This whimsical, unique clock has been entertaining shoppers for well over 20 years.

This charming railway is one of the oldest and steepest funiculars in England.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.