This historic hotel invented the chocolate brownie.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

A close look reveals that the Scottish monument is just slightly off-kilter.

The colorful stairs are made with marble from the world's major quarries.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

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

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Largest lake in Great Britain measured by surface area.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

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

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

Famously misunderstood wonder of the ancient world

Hear the quietest sound from across the dome.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

The celebrated eyesore created by starry-eyed sweethearts.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.