In order to save this beloved rock, locals blew it up and put it back together piece by piece.

Even Henry David Thoreau found this glacial pothole irresistible.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

An 80-year-old house built out of newspapers.

This landmark cemetery in Boston was created more than 300 years ago.

Oldest church in the United States that is still in continuous use.

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

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

Stolen goods adorn the organ at Old North Church.

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

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The massive machine creates cracking displays of indoor lightning.

A 12,000-year-old bog boasting rare plants and fauna.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

"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."

A small obelisk marks the spot where Captain Sam Greele was killed by a falling tree.

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

The childhood home of the meat inspector who would become the face of America.

This small-town library was the first in the world to be entirely supported by taxation.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.