The famous author's cottage hideaway.

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

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

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

Lie in a hammock where George Washington stood.

Little Red Lighthouse under the George Washington Bridge.

Collect holy water from a Bronx grotto.

A monument stands to the famous suffragist who penned the declaration for women's equal rights, including the right to vote.

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.

An abandoned dollhouse factory.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

100 massive sculptures in the Hudson River Valley.

The oldest continuously inhabited street in America.

"A hideous albatross in the Hudson River Valley."

This isolated community does not want you to visit.

This mouldering abandoned mental hospital was once a center for progressive healing.