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

The final resting place of soldiers' loyal canine companions.

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

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A slice of central Asia in the middle of Berlin.

An ancient burial ground believed to have been used for ritual sacrifice.

A fortress-like granary that has been continually in use for more than nine centuries.

The best-preserved Roman small town in North Africa.

Founded in 670, this ancient mosque is an architectural time portal.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

A seemingly simple canyon that was the backdrop to a number of famous movies.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

A sophisticated astronomical tower built by one of the greatest Persian scholars of the Islamic Golden Age.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

This ancient fortress in Iran was once the oldest and largest treasury in the world.

A historic trade hub teeming with gorgeous architecture, colorful goods, and vibrant designs.

This lake in northwest Iran has started turning from green to red more frequently than scientists are comfortable with.

Burial site of a Jewish prophet revered in Iran.

The hottest, driest, and most scenic desert on Earth.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

A modern sliver of architecture in Roma.