Fittingly, America's museum of architecture is itself a magnificently designed old building.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

This grand gothic brewery has been pumping out suds for over a hundred years.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

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 clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

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

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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.

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

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The celebrated eyesore created by starry-eyed sweethearts.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.