It's not a typo, now say it five times fast!

This railroad tunnel was once the longest in Massachusetts.

A mysterious collection of stones stand outside a small New England town.

Narrowest house in Boston.

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

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

A historic bridge with a lovely acoustic anomaly.

No one really knows how these old hobby horses got here, but the herd keeps growing.

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

A New England ghost town features a trail of boulders etched with intriguing life lessons.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Friction between grains of sand cause a curious "singing" sound.

Museum dedicated to awful artwork.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

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