This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

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

A 18th century graveyard and its astonishing cortege of macabre iconography.

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

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

This series of Scottish caves has no clear purpose other than baffling historians.

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

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

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

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

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

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

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The first skyscraper to include a Ferris wheel built into the facade.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This innocent-looking townhome is actually a subway exit.