The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A collection of short standing stones covers this hillside.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

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

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

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

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

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.

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

The ornate structure is part of a building boasting more marble than the Vatican.

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

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.

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

Largest lake in Great Britain measured by surface area.

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