This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A popular European tradition makes its way to the states on one of America's most famous bridges.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This chapel is the site of a yearly pilgrimage that originated during the Middle Ages.

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

The building hides in plain sight in Ribadavia's historic Jewish quarter.

An abandoned 6th-century monastery features a medieval map of the known world.

The ruins of the second-largest circus school in the world.