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

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Over fifty whirling pools left by the glacial age.

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

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

The world's largest rotating world.

A steampunk wonderland that preserves America's history of industrial innovation.

The world's largest piece of copyrighted artwork.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Civil War Fort on an island in the Boston Harbor.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

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

The site of Paul Revere's historic two lantern warning.

This landmark cemetery in Boston was created more than 300 years ago.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.