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

Set sail on a small scale.

The preserved house of a jazz legend still echoes with his music.

Glacial erratic or man-made dolmen? It probably wasn't druids.

A hands-on traveling collection of the innovative devices of yesteryear.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

This forlorn park is the result of a failed investment turned tax dodge.

The Vatican of the movie industry turned into an actual church.

The home of aviation trailblazers, in a remote corner of the big city.

There must be a pun in this haystack somewhere...

A graffiti Mecca welcoming artists from around the world.

The highest point on the island known for buildings that touch the sky.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

A mysterious air force base built to resemble a Long Island fishing village.

The last slot car racing arcade in Brooklyn is keeping the dream of speedy little autos alive.

A tiny islet just off Long Island offers a wealth of infectious curiosities.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

One of only two remaining Victorian-era greenhouses in New York.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.