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

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

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

You must take the A train... to the last active cemetery in Manhattan.

A large boulder marks the place where the island of Manhattan was purportedly "sold" to the Dutch.

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

This magnificent herd of stampeding elephants has been frozen in time for over a century.

An activist who committed her life to peace and women's suffrage.

A basement pool hall is the front for some of the best Dominican food in New York City.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

This slender three-story building has also had several famous residents.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

One of the only single-person private gravesites in New York City.

A memorial marks the library lobby where Langston Hughes' ashes are buried.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

This recipe is set in stone.

A prized globe signed by Amelia Earhart and Charles Lindbergh sits in the Brooklyn office of the American Geographical Society.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.