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

A whimsical monument deep in this park commemorates the groups that helped build it.

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

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

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

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

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

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

The boulder on which Alexander Hamilton laid his head after a deadly duel can still be visited on the New Jersey coast.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.