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

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

This stack of stones honors a murdered 18th-century woman.

Nestled among the living residents is the final resting place of an apothecary plague victim.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

An iconic red telephone box turned tiny art gallery.

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.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

This extraordinary Viking artifact has traveled throughout the city.

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

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This early version of the guillotine was used to execute the man responsible for its construction.

Enter this small nook and you'll be surrounded by 360 degrees of street art.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

This king penguin is a knighted brigadier of the Norwegian Army.

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

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.