The Connecticut village named for its subterranean thunder.

This picturesque Victorian ghost town was once a thriving mill community.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

An abandoned gun-funded 19th century utopia.

The headquarters of the famous Yale society.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

The graves of a Connecticut family thought to have been plagued by a vampire.

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

An abandoned Depression-era zoo hidden just off the highway.

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

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

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

137 graves holding New England's earliest residents.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

A former copper mine which became a truly unsuccessful prison.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

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

A miniature village lies nearly forgotten in the forest by the side of a major highway.

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

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

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