Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

An astounding collection of medical specimens, including bits of President Lincoln.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The trials and tribulations of marking Poe's grave.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

This New York estate was designed to resemble a medieval Scottish castle.

An old dining hall now serves up ghost stories for lusty locals.

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

An abandoned castle owned and ignored by Masons carries a cursed history.

The "Seinfeld" diner.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

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

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

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

A semi-scholarly approach to sex.

Try not to get slimed in Tribeca.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.