Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

Civil War Fort on an island in the Boston Harbor.

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

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

"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."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

The homestead of American patriot John Adams.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

Two thousand artifacts from around the world collected by one woman who loved to travel.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

The site of Paul Revere's historic two lantern warning.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

No one messes with the Massachusetts sacred cod, not this time...

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

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Breathtaking and huge 430 year old maps of Italy.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

Rome's semi-secret peephole vista is also a former Crusader stronghold.