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

The site of a tragic massacre that spawned a multimedia franchise.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

The pioneering photographer's prints are immortalized inside her childhood home.

Once America's longest-manned military fort, now an abandoned hulk.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This monument is dedicated to Balto, the heroic Alaskan sled dog.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

A curious friendship between two inanimate ladies.

A series of fish plaques that are embedded in the malls of Ocean Parkway.

A way to take your secrets to someone else's grave.

The Father of the Erie Canal has a magnificent grave marker that redefines the term "final resting place."

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

A mass grave for victims of one of the city’s worst fires.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.