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

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

Oldest surviving example of a Dutch saltbox frame house in America.

Dine on dumplings at the oldest dim sum restaurant in New York.

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

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

A gift from Japan, 17th-century lantern stands among the cherry trees at D.C.'s Tidal Basin.

All of the Malaysian sweets at this shop are made daily with a whole lot of love.

Cooks at this tiny takeout spot grind their rice flour in a stone mill each morning for perfect cheung fun.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

Slurp sesame noodles at the third-generation family-run establishment that invented them.

The poet Walt Whitman was a frequent visitor to this spot, the highest on Long Island.

The famed poet was born in 1819 in a farmhouse built by his father.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

How a century-old glass factory in Queens became a concert venue and arts center.

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

A menagerie of concrete animals brought together from across New York City's parks.

After surviving abandonment, this powerful Latin American mural is alive again.

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

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

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

A vibrant, 100-foot-tall mural dedicated to Evelyn Nesbit, the tragic icon of the Gilded Age.

This diesel train serviced the Brooklyn waterfront for more than three decades.