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

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

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

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

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

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

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

On the windswept Dakota plains there is a memorial to circus workers who were struck down by lightning.

The famous author's cottage hideaway.