Religious structure known for its sculpted details.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

A medieval church built up to defend its village.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This snug medieval lane is one of the narrowest streets in the world.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

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

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

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

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

A familiar otherworldly creature guards this 12th-century Scottish abbey.

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

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This former football stadium seems almost abandoned but is still in use by the next generation of Scottish sports stars.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

The red letters in the literary pavement leading to the library form a mysterious code.

Six neolithic sandstone boulders remaining from a dolmen.

17th century puritan church with connections to the Salem Witch Trials.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The Liverpool street made famous by the Beatles is real.