The world's largest piece of copyrighted artwork.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

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

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

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

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

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

The bears may be gone, but their old cages can still be found.

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

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

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

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

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

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

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.