A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

A waterway covered over after the Industrial Revolution has been unearthed and cleaned up, for the enjoyment of fish and humans alike.

This unusual apartment building may be Brooklyn's own version of the Leaning Tower of Pisa.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

This miniature village stays behind in the Breuer Building, even as the museums around it come and go.

The site of a fallen tree that protected Americans from British forces during the American Revolution.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

The inventor of the Coney Island hot dog rests in a grand mausoleum in Brooklyn.

This generously endowed statue once stood guard outside a Roman home.

The highest rapid transit station in the world.

This secluded ruin was once a home for exotic plants.

The rare American Civil War-era weapon was never fired in anger.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

A retired subway car stands alone in a field in the middle of Queens.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

A small piece of the composer's New York home lives on in the center of Czech culture in Manhattan.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

A large boulder marks the place where the island of Manhattan was purportedly "sold" to the Dutch.

Staten Island's original central park is the former home of the city water supply as well as thousands of immigrant graves.

This preserved wilderness hides the remains of a colonial grain mill used to feed George Washington's troops.

These century-old townhouses contain some of the first car garages built in the United States.

This unusual subway stop was originally a real estate office.