Underground tunnels remain beneath this abandoned mental asylum.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

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

A portrait of the Charter Oak hangs in a frame made from the Charter Oak.

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

Springtime is go time for this repurposed shack and the fish it venerates.

A humble air museum located in an original World War II aircraft factory.

Now home to hardy plants, these sand and gravel dunes once held back a massive prehistoric lake.

Hidden behind a Target are pillows of cooled lava that formed at the bottom of a deep lake in the Mesozoic Era.

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

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

A small museum packed with specimens from important fossil sites and minerals from historical pegmatite quarries.

A free display of artistic lifesize dinosaur sculptures in a backyard garden.

New London, Connecticut still holds a grudge against its hometown son who turned traitor and burned the city.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

Made of bronze and wearing a blue gown, this lady sat in the same location in the Yantic Cemetery for more than 119 years.

The Connecticut village named for its subterranean thunder.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

A museum dedicated to antique toys, collectibles, and nostalgia.

A tribute to the truly loyal dog who waited outside a hospital for his owner to come back.

House used in the 1971 horror film "Let's Scare Jessica to Death."

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

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Connecticut sites linked to the only trial to ever use demonic possession as a criminal defense.