An abandoned 146-acre summer resort slowly being reclaimed by nature.

An overgrown and abandoned tuberculosis ward resides in the midst of a quaint modern neighborhood.

This enormous abandoned factory is now a makeshift graffiti gallery.

Underground tunnels remain beneath this abandoned mental asylum.

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

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

Visit the grave of America's most prominent paranormal investigators and self-proclaimed demonologists.

Celebrating an art form with a collection of puppets from all over the world.

Thousands of American timepieces on display in the former clock-making capital of the country.

More than a century of radio history is told in these displays.

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

This stunning Connecticut mansion is actually just a one-room-deep hoax.

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

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

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

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

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

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The intriguing personal collection of a professional demon-chaser.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A journey through a curious collection of oddities and wonder.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

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