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

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

This strangely amalgamated museum explores the history of the Timex clock company as well as archaeology.

Underground tunnels remain beneath this abandoned mental asylum.

British troops and Prohibition couldn’t stop this spot from becoming one of the United States' oldest continuously-run taverns.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

New London, Connecticut still holds a grudge against its hometown son who turned traitor and burned the city.

This picturesque Victorian ghost town was once a thriving mill community.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

Ruins of a historic medical facility sits eerily by the water.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

137 graves holding New England's earliest residents.

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

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

The kind of mixed-up place that drives archaeologists crazy.

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

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Yale University's home for rare works, including the mysterious Voynich Manuscript.