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

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The final resting place of the poets Shelley and Keats.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This abandoned Brutalist treehouse is a hidden architectural relic.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

A 16th-century horror show built in a lovely Italian garden.