During the holidays, a vintage subway train whisks New Yorkers back in time.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Try not to get slimed in Tribeca.

Home to some of the last true noodle artisans in New York.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

The face of a woman pushes its way through the earth.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

Shop of curiosities with a dinosaur museum tucked in its basement.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A hot dog stand where the heads are just as hot as the dogs.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

A peculiar forest that was handcrafted for government experiments.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

This century-old roadside attraction is full of bizarre rock formations.

This restaurant serves wood-fired fare served in a natural cave with a live spring.