An artist's cute bronze subway sculptures belie his violent artistic past.

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.

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 installation turns abstract economics into a stark, public spectacle.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

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

Elevated freight railway turned wildly successful urban park.

Red frames showcase remnants of one of New York's original subway stations.

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

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A very classy 1920s-era bar right in Grand Central Station.

New York's transit system peddles terrible food in limited windows—this restaurant is a rare exception.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

One of only two commuter aerial tramways in the United States.

Commemorating the spot where the famous scientist fed his pigeons.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A battleship’s mast sits atop a turret-like memorial, commemorating those who lost their lives in one of the precipitating events of the Spanish-American War.

This former studio belonging to a pioneer in photography stands in a picturesque landscape with unique rock formations.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

The oldest functioning restaurant in the state of Illinois, operating since 1847.

The last standing piece of a famous Honolulu landmark.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.