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

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

Founded as a refugee camp, now a popular tourist spot.

Traditional 11th-century outdoor tannery.

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

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

This poignant art installation raises awareness of violence against women.

This lavish 20th-century casino adorns labels for San Pellegrino water.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The final resting place of the poets Shelley and Keats.

Rome’s legendary peephole vista is also a former Crusader stronghold.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

A huge enchanting public park just outside the ancient walls of Rome.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.