The first piece of public art dedicated to LGBT rights.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Nikola Tesla's former home contains an homage hidden from plain sight.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Ever wanted the laymen's version of your credit card fine print?

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Try not to get slimed in Tribeca.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

New York City's only preserved family home from the 19th century.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Home of the only civilian casualty at the Battle of Gettysburg.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

The home of the first American-born saint is one of the only curved buildings in New York.

The French deconstructionist had a weakness for baked goods.

Nondescript elevator doors open to reveal a stunning, surreal world.

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

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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