What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The first pet cemetery in the United States.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

An unrealized dream to wirelessly electrify the entire Earth.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

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

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A museum within a museum, devoted to history's most questionable medical devices.

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

Tucked in the back of this amazing antique store is an important piece of medical history.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The abandoned personal amusement park of the King of Pop.

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.

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

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

The loneliest island in New York.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.