This restaurant sits within the walls of an 18th-century fortification that once defended the city’s old quarter.

A recreation of the bar from the classic 1942 movie “Casablanca.”

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

An immense coastal necropolis with an outstanding view of the nearby kasbah

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

The other side is actually green.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Traditional 11th-century outdoor tannery.

This historic bathhouse that likely dates back to the 1300s.

The oldest known university in the world is in Fez, Morocco.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

A caravanserai turned into a museum showcasing the mastery of local carpenters.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

A bronze tribute to Mika Häkkinen's 1998 Monaco victory.

The site of Austria's biggest concentration camp now honors its victims.

A musical instrument played by the sea.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.