Eighty million natural history specimens call this gargantuan museum home.

A roadway designed for a visiting monarch.

This mundane post marks the old location of the city's main postal hub.

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

Scotland's first Masonic lodge may also be the oldest in the world.

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

An artist's whimsical transformation of everyday objects.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

A six-ton wedding present for the King of the Scots.

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

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

Protecting the dead from opportunistic body snatchers.

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

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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

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

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

Historic medieval fortified city in southwest France.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

A lush indoor jungle fills this bustling Madrid transportation hub.

An ancient Egyptian temple in the middle of Madrid, Spain.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.