Ruins of a historic medical facility sits eerily by the water.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

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

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

This eclectic homestead is home to a miniature windmill and Connecticut's last tollbooth.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

A historic lighthouse steeped in rumors of ghost and pirate stories.

A mysterious air force base built to resemble a Long Island fishing village.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

Once the center of food production for this small town.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

An unrealized dream to wirelessly electrify the entire Earth.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

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

This 19th-century clock has been restored to help withstand the harsh environment of its seaside home.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.