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

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

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

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

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

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

A quartet of brightly colored mythical beasts stand sentry at this gateway.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

One of only three examples of a stained glass window manufactured by the Tiffany Company in Scotland.

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

This life-size monument honors the legacy of a famous literary feline.

A unique tribute to the millions of animals who served and died for the British military.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Third time's a charm, or in this case, two testicles are.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This statue is the only female representation of Rome's "talking statues."

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The charred, dead skeleton of an oak tree is said to have consoled a dying 16th-century Italian poet.