The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A terrific purveyor of natural history objects and curios.

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

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

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

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

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

Mansion and shopping center used in the 1975 film "The Stepford Wives."

The world's largest public collection of PEZ memorabilia.

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

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

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

Underground tunnels remain beneath this abandoned mental asylum.

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

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

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.

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

People come from across the globe to swim in this lake believed to have healing properties.