A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

Ever wanted the laymen's version of your credit card fine print?

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

Try not to get slimed in Tribeca.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

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

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

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

Haven for steampunks.

A burial ground of rusting metal grave markers.

A Manhattan office building is home to the world's largest chess board.

Sniff the Titan Arum's rotting flesh.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

World's largest herd of white deer populate a former U.S. Army depot.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Unrepaired walls from a 1920 anarchist bomb attack.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

America's post-nuclear-attack chambers of Congress.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.