The gravestone of the man who designed the plastic pink flamingo is adorned with his most famous creation.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

The mansion home of author Edith Wharton.

This mysterious artificial cave has long puzzled New Englanders.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Ornate and macabre headstone in one of the country's oldest cemeteries.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

Monument on the spot where in 1778, Bathsheba Spooner had her husband Joshua killed and dumped down his own well.

137 graves holding New England's earliest residents.

The longest and steepest staircase locks in the United Kingdom.

This iconic building was founded as a school for the impoverished, but became one for the sons of the local gentry.

This 12th-century house is one of the oldest continuously inhabited houses in Britain.

This ancient Bedfordshire church was abandoned when the village's population slowly began migrating to new towns.

These ancient rock graves were featured on the cover of a Black Sabbath compilation album.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

A 200-year-old bar is all that remains of one Mississippi River town's rough-and-tumble past.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.