The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Underground tunnels once home to crime are now back open to the public.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

On Japan's Tashirojima Island, cats are king.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

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

This witch statue remembers a time in England's history when fear trumped truth.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The world's largest collection of witchcraft regalia.

Staves, storm-calling, and of course, necropants.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The sign at the garden gate reads: "These Plants Can Kill."

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

This museum houses an imposing skeleton army comprised of creatures great and small.

The angel of death appears to weep black tears at this grave marker.

Medical history museum featuring a lovely doctor's office from the 1800s.

A haunting tribute to pioneering photographer Clover Adams.

The oldest stone house in Paris was built by its most famous alchemist.