The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

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

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

Architectural monsters are devouring this palace's every door and window.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

A modern sliver of architecture in Roma.

Architectureal fantasy quarter of Rome.

A fairy tale castle in modern Rome.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

This small Roman arch was transformed into a dwelling by the founder of the Trinitarian Order.

2300-year-old Roman road connecting the empire.

Jesus' footprints and the first catacombs in the world.

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

The famous winding walk at Chartres is surrounded in mystery and myth.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

Shattered columns and Egyptian pyramids outside of Paris.