Little Red Lighthouse under the George Washington Bridge.

Thomas Edison's home and final resting place also boasts an impressive garage, where some of the earliest electric cars are on display.

Take a step into the workshop where Edison and his employees revolutionized the world.

This clock tower is all that remains of Bird Hall, constructed by one of the founding families of this Massachusetts town.

The oldest surviving wood-frame building in North America is still in the family.

This building is more than 250 years old and was built in one of the first towns settled in Massachusetts.

A massive sustainable farm designed by the mastermind behind Central Park.

The strikingly modern structure stands out among the brick buildings speckling the Harvard Business School's campus.

A tiny town in an empty lot was the work of a local eight-year-old.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

This beautiful architectural gem was the first waste treatment facility in Boston.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

Commemorating the spot where the famous scientist fed his pigeons.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

A home decorated by its owner with eye-catching and captivating assemblages of found objects

Eat first, shop later at this eatery within an Asian grocer.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

A tiny monument to the classic American candy.