This impressive mansion in Vinegar Hill has some mysterious details in its architecture.

The only surviving sidewalk clock in Brooklyn.

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

What remains of the simple red brick chapel where the women's rights movement began.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

The lost town of Neversink, sunk by New York City.

Constructed in the 1920s, this former pencil factory is now an office building.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Brooklyn's most iconic restaurant, resurrected.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

This small road tunnel is the only place where you can cross beneath the Erie Canal.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

An unconventional space for art and science housed in a massive old warehouse.

A cargo of beautiful music.

This translucent sculpture represents a quintessential component of New York City's skyline.

The Underground Railroad passed right through this historic Brooklyn Heights church.