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

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

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

The intriguing personal collection of a professional demon-chaser.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

A peaceful international sculpture garden in upstate New York.

A once grand hotel is being retaken by the wilderness it once capitalized on.

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

The cave where two British judges hid in exile after sentencing the king to death.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The kind of mixed-up place that drives archaeologists crazy.

Underground tunnels remain beneath this abandoned mental asylum.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A beautiful Victorian-era cemetery, complete with a miniature village.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.

This beach-side arcade is believed to be the oldest penny arcade in America.

Small caves once used as a hiding place for some of those accused during the Salem Witch Trials.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

This mysterious artificial cave has long puzzled New Englanders.