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

Ice cream stand, snack bar, and time capsule of milk conveyance.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

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

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

This is the house that spite built.

The headquarters in Salem doubles as an occult art gallery.

Impossibly life-like natural history models created out of glass by a father and son.

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

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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

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

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

35,000 grape hyacinths flow like water down a garden hill.

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

Over fifty whirling pools left by the glacial age.

Three prestigious academic collections come together to create a world-class natural history museum.

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

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

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

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

Dim sum, served in a grand old theater.

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