This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This unique historical monument features large concrete spheres designed to resemble fallen stars.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe’s grave.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

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

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

A wunderkammer hidden on the top floor of the Hartford statehouse.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

100 massive sculptures in the Hudson River Valley.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

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

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

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