A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

A mural of a boy making a phone call connects a southern Maine community to a town in Iraq.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

A terrific purveyor of natural history objects and curios.

The gravestone of an eccentric Connecticut doctor features dinosaur tracks and a pair of fossil tree casts.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

This historic park site contains the last remnants of a once bustling canal system.

This statue honoring the most decorated dog of World War I stands in a Connecticut park.

A single light illuminates one man's overshadowed contributions to street lamp history.

The home of the artist credited with introducing the tomato to the American diet.

Mysterious stone tower featured in many alternative histories of the New World.

Pizza with a side of fine art.

A science teacher's dream.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

An antiquated German apothecary on Chicago's North Side.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A hollow cement depiction of time's inexorable effect on the human body.