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

This park is home to a massive bird sanctuary. And maybe buried treasure!

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

The Connecticut village named for its subterranean thunder.

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

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

Final resting place of a New Haven urban legend.

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

Who knew the Devil's domain was a hot spot for tubing?

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

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

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

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.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

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

This monument commemorates an aeronaut who allegedly flew a plane before the Wright brothers.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

The world's largest public collection of PEZ memorabilia.

The location of the pie company that gave a classic toy its name is now a parking lot.

The last vessel built by a submarine pioneer stands as a monument to his legacy.