No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

Scotland's first free lending library, which protects literacy through inheritance.

Music boxes like you've never imagined.

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

One of the largest mechanical models of the solar system in the world.

Helped by a surprise posthumous donation this small town toy museum features over 5,000 vintage playthings.

This colossal war machine is now a living museum dedicated to underwater warfare.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

A kaleidoscopic warehouse-maze of handmade neon signs.

The atmospheric road was never meant to be so creepy.

These fantastically named natural pools look like something out of a Scottish myth.

Famously misunderstood wonder of the ancient world

The world's largest collection of witchcraft regalia.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.