This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The mummified relics of an American missionary.

The highest point on the island known for buildings that touch the sky.

Little Red Lighthouse under the George Washington Bridge.

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

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

The "Seinfeld" diner.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Try not to get slimed in Tribeca.

This outdoor gallery of sculptures along the East River was once a landfill.

A crumbling hospital from the 1850s on Roosevelt Island.

The Hudson River School comes alive at this palatial estate.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

This isolated community does not want you to visit.

The mansion home of author Edith Wharton.

The former residence of Elizabeth “Mumbet” Freeman, an enslaved African-American woman who successfully sued for her freedom.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The site of the first "historically true" UFO encounter in the U.S.

Retirement home where the actress who played the Wicked Witch of the West passed away.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.