The homestead of American patriot John Adams.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

A mysterious stone embedded at the base of a historic Boston building.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

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

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

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

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

The oldest playground in America.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

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

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The world's largest piece of copyrighted artwork.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

The massive machine creates cracking displays of indoor lightning.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

Dim sum, served in a grand old theater.