A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

The last remaining vestige of a popular 1999 public art display.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Illegal drag racing two stories beneath Chicago’s streets.

Art deco landmark on the outskirts of Washington, D.C.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

The most accurate timepiece in the world.

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

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

An aptly-named street near the birthplace of the modern LGBT rights movement.

The first piece of public art dedicated to LGBT rights.

Elevated freight railway turned wildly successful urban park.

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

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

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.

This monument is dedicated to Balto, the heroic Alaskan sled dog.

The most confusing clock in New York.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

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.