Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

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

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

Traditional 11th-century outdoor tannery.

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

A fortified city, home to a remaining population of five families

The other side is actually green.

Mosaics, storks, and brothels—this ancient city has it all.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

The celebrated eyesore created by starry-eyed sweethearts.

This Parisian gem is one of the most incredible ethnographic museums in the world.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

The curious underground history of keeping Paris clean.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

At this Oaxaca contest, artists turn purple produce into stunning depictions of saints, buildings, and La Pietà.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.