Ancient Phoenician and Roman tombs carved into the rock overlook the Moroccan coastline.

The tomb of one of the greatest travelers in history.

This iconic cinema is home to Tangier's Cinémathèque and a symbol of the city's vibrant film scene.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This snug medieval lane is one of the narrowest streets in the world.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

Romania's triumphal arch looks out over Bucharest.

A vast Communist-era exhibition space in the Bulgarian capital.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A shopping mall housed in a historic cinema and hiding ancient ruins under its floors.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

A striking symbol of the Bulgarian capital.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

This historic black and white monastery is one of Bulgaria's architectural jewels.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

These bronze horses on the gates of the Royal Palace of Naples were a gift from a Russian tsar.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

Well-preserved, still-functional sliding wood doors from Ancient Rome can be found in this Vesuvius-stricken house.

Pompeii's less famous neighbor is still revealing her secrets.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.