An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

This eclectic antique shop is home to the taxidermy remains of a celebrity lion named Simba.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The castle still holds traces of the abandoned Roman fort it was built atop.

The "dragon babies" of southeastern Europe.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This abandoned Slovenian military barracks has become a punky-political art squat.

Cave where bat-eating snakes hang down from the ceiling.

Twelve natural mummies are displayed in the crypt of this former monastery school.

This museum has a most unusual location: inside a giant, three-headed elephant.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

A sweet symbol marks the place where torturous executions were once carried out.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Hidden beneath the streets of London is a secret subway that only carried mail.

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