Inside this building is another country within Rome, a sovereign entity without a physical territory.

100 year tradition of fist fights, marked by marble footsteps.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

A great white whale sculpture now sits in the location where the remains of a prehistoric cetacean were found.

A medieval weapon rumored to have been used by the brilliant poet himself.

The middle finger of modernity.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

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

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

2300-year-old Roman road connecting the empire.

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

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

This large, circular tomb is the final resting place of the first emperor of Rome.

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

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

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

An oasis of beauty, tranquility and botanical research in the middle of Rome.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A small but very fascinating fountain in the center of Rome with four books and a deer carved.

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