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

Stolen goods adorn the organ at Old North Church.

Narrowest house in Boston.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

Statue commemorating the use of ether in anesthesia.

The Boston square dedicated to the dark poet who was born nearby.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

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

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

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

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

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

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

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

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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

A centuries-old church stands as a testament to Boston's "father of architecture."

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

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over 50 whirling pools left behind from the glacial age.

The Vermont square that inspired Shirley Jackson's "The Lottery."

Incredible labyrinth of man made caves.