An unassuming stone building houses New York City's oldest seismic station almost 30 feet below the Bronx.

This unusual subway stop was originally a real estate office.

New York City's only radical feminist independent bookstore.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

A retired oil tanker now offering amazing views of New York City.

A historic lighthouse steeped in rumors of ghost and pirate stories.

An abandoned tuberculosis hospital moulders on into an uncertain future.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

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

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This former water source for the City of Brooklyn is now a thriving natural wetland.

Now owned by the National Park Service, this location was once home to illegal boxing matches.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

Designed by famed 20th-century architect Cass Gilbert, the future of this abandoned 1908 rail station is currently in limbo.

All of the Malaysian sweets at this shop are made daily with a whole lot of love.

How did a historical Black burial ground become a Staten Island strip mall?

The only boathouse Frank Lloyd Wright ever designed was also the only unbuilt structure in his famous Wasmuth Portfolio, until 2007.

This sound-art installation features songs composed using only the Mid-Hudson Bridge as an instrument.

A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.