An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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

The mummified relics of an American missionary.

Collect holy water from a Bronx grotto.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

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.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

A whimsical monument deep in this park commemorates the groups that helped build it.

This derelict building used to house infirm Freemasons, their widows, and orphans.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

The first pet cemetery in the United States.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.