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

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

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

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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

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

The massive machine creates cracking displays of indoor lightning.

A monument marks where a convent was burned by an anti-Catholic mob in 1834.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

A unique columnar residence built in the 19th century.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

The sea urchin sculpture is an unusual commemoration of a New England town's seafaring history.