The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

The taxidermy remains of the most popular pony in children's literature.

The solitary grave of a schooner captain killed by lightning while serving biscuits.

The headquarters of the famous Yale society.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

This memorial garden is the final resting place of many beloved pets including that of a famous explorer.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

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.

This historic patch of real estate offers a glimpse of colonial Boston.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

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

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

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

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

This funeral home had the honor, if that is the correct word, of hosting the funeral of the famous Sacco and Vanzetti.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

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

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

A mysterious stone embedded at the base of a historic Boston building.

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

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

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

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