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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This delightful little museum is dedicated to only one thing: pasta.

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

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

The oldest operating pharmacy in the world features 800-year-old recipes.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

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

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

A hospital where antique dolls are given new life.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

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

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."