This hidden labyrinth offers walkers some brief peace of mind.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

One of the last remaining movie theatres in the country that features a rear-projection system.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

100 massive sculptures in the Hudson River Valley.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Visit the monolithic tomb of America's most famous general.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

This elaborate tunnel is the first structure composed of cast concrete in the United States.