The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The largest earthwork effigy in the world.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The largest ancient burial mound in Ohio.

A real flying saucer, contracted by the U.S. Air Force.

A tiny islet just off Long Island offers a wealth of infectious curiosities.

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

Try not to get slimed in Tribeca.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

An artist's cute bronze subway sculptures belie his violent artistic past.

Elevated freight railway turned wildly successful urban park.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

On the Hudson resides one of the largest clocks in the world.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

World Trade Center memorial likened to a woman's sexual organ.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Final resting place of two dozen New York City harbor ships.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.