A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

Thomas Edison's home and final resting place also boasts an impressive garage, where some of the earliest electric cars are on display.

Take a step into the workshop where Edison and his employees revolutionized the world.

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

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.