A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A hands-off space for graffiti artists to hone and display their skills.

A brother statue swap has adorned this building's facade for centuries.

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

A scattered trail of street art adds a pop of color to the city's stark structures.

An angelic, yet demonic-looking figurine presides over one of Glasgow's most ancient streets.

This hidden gem reveals the history of Britain's first police force.

A small collection of objects of a bygone era hide in plain view.

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

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

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

This 16th-century house tells the city's history through old artifacts and quirky tales.

A rare memorial paying homage to an altruistic woman from the 19th-century.

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

The building where Mary, Queen of Scots was said to have bathed in white wine.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The final resting place of soldiers' loyal canine companions.

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

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

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

The fountain marks the area where hundreds of accused witches were burned at the stake.