This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

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

A terrific purveyor of natural history objects and curios.

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

A quiet and contemplative oasis in the middle of New York's bustle and riot.

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

A hands-on traveling collection of the innovative devices of yesteryear.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Come for the waffles, stay for more waffles.

You don't have to be an ambassador to dine like one.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

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

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

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

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

Commemorating the spot where the famous scientist fed his pigeons.

This semi-hidden Manhattan restaurant is based out of a loading dock.

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

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

New York's oldest magic store.