Visit the monolithic tomb of America's most famous general.

A hidden "place of interment for gentlemen."

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

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

Final resting place of two dozen New York City harbor ships.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

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

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

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Sniff the Titan Arum's rotting flesh.

A celebration of capitalism in Midtown.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

Read a book next to a Midtown waterfall.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.