Locals say Williams's ghost still haunts the place where she was murdered.

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

This exhibit is devoted to the games and wonder that Hasbro has brought children worldwide.

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

This decrepit abandoned building is made all the more eerie by its dark history.

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

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

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

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

This mysterious artificial cave has long puzzled New Englanders.

This candy-colored storybook village originated as a 19th-century Methodist campground.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

A 19th-century smallpox cemetery is being reclaimed by scrub forest and sand dunes.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

This small shop walked so America could run on Dunkin'.

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

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Malcolm X's house during his most formative years faces an uncertain future.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.