Dr Barnes' $25 billion private collection of art and arboretum.

Huge masonic hall in Philadelphia with lavishly themed rooms.

In which a local geological marvel becomes a quaint roadside attraction.

This little museum in the town where zombies were born celebrates the living dead.

Staves, storm-calling, and of course, necropants.

One of the few Glatt kosher delis in the United States is a cornerstone of its Hasidic neighborhood.

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

The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.

This secluded ruin was once a home for exotic plants.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

Collect holy water from a Bronx grotto.

This Russian bar-restaurant lies within a three-story underground bathhouse.

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

The world’s largest collection of Tiffany glass sits in a warehouse in Queens.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Unusual books about food and drink abound in this 19th-century New York townhouse.

New York City's only radical feminist independent bookstore.

Have a steam and some blini at this cafe in a century-old bathhouse.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

The mummified relics of an American missionary.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Finally, you don't have to be a pious Swedish seaman to relax like one.

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