A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

New York's oldest and possibly grandest keeper of books.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

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."

Shelves covered in dozens of coffee bean varieties fill this North End institution.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

In the 19th century, this was the center of Boston's Black community.

A unique music museum housed in a historic Boston theater.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

A single room pays homage to the prodigious achievements of the 30th President of the United States.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

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.

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

A terrific purveyor of natural history objects and curios.

New York City's only preserved family home from the 19th century.

This 220-year-old house is a reminder of New York City's Dutch past.

A hands-on traveling collection of the innovative devices of yesteryear.