A good place to research the Freemasons, esoterica, occultism, and hermeticism.

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

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

The saddest little diner in New York.

The greatest real estate coup of all time.

A prohibition era watering hole for the police.

A hip bar decorated with walls of golden skulls.

The notorious headquarters of a corrupt political machine.

Recovered suit of a cannibalistic West African gang.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

An unassuming secret door once led to a legendary watering hole.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

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

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

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

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

This small New York museum celebrates the mountainous artwork of a Russian mystic.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

A staggering collection of photographs depicting medical, social, and historical change.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

An exquisite tunnel of cascading flowers.

Dedicated to improving the plight of the rare scaly anteater.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.