Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

A failed, un-built suburb that has been going feral for decades.

When this test site was abandoned, they didn't even bother to take the rocket with them.

Relics given to a Manhattan church to avoid seizure by the Italian government.

A hands-on traveling collection of the innovative devices of yesteryear.

A hidden "place of interment for gentlemen."

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A plaque marks the spot on the bridge where one of the first elephants in the U.S., Little Bet, was gunned down.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Oldest synagogue in the United States.

An ancient cemetery with some historic bodies underfoot.

This historic Rhode Island mini-cemetery features a number of headstones run through with mysterious holes.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

A tiny islet just off Long Island offers a wealth of infectious curiosities.

Astonishing collection of helmets, scientific instruments, and medical models.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

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

Glacial erratic or man-made dolmen? It probably wasn't druids.

This strangely amalgamated museum explores the history of the Timex clock company as well as archaeology.

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