Sniff the Titan Arum's rotting flesh.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

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

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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Commemorating the spot where the famous scientist fed his pigeons.

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.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

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

Cryptic messages embedded in the New York City sidewalk.

Elevated freight railway turned wildly successful urban park.

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

The most confusing clock in New York.

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

Tucked in the back of this amazing antique store is an important piece of medical history.

The oldest surviving synagogue in New York City is now a soaring art space.

A terrific purveyor of natural history objects and curios.

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

The former sign of this immortal music venue is just that--undying.

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

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.