Beautiful mosaics cover the first stations opened on New York City's newest subway line.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A collaborative art project that transformed a neighborhood in NYC's Queens.

The only gallery in New York dedicated to olfactory art and the exploration of scent in art.

This suburban enclave is home to a very unique art exhibit.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

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

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

Gods clash with machines in a power plant regenerated as a museum.

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

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

A hospital where antique dolls are given new life.

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

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

The final resting place of the poets Shelley and Keats.

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

Banksy gives themself artistic license with this piece of London street art.

This inn of the court provides a fascinating window into London’s legal and architectural history.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

The celebrated eyesore created by starry-eyed sweethearts.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.