See six states, pickled freaks, rocks, and antiques.

The highest bridge in America was built for an almost unnervingly small amount of money.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

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

These ornate manhole covers were used for a now-forgotten purpose.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

The 28-foot granite map plots the locations of 40 theaters in New York City.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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

Discover the taste of mold.

The most confusing clock in New York.

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.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A bit of retro transportation flair preserved in the world's largest department store.

Bowl in splendor, if you're lucky.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

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

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