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

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This plaque is dedicated to one-half of the Magliozzi brothers and their hit radio show, 'Car Talk.'

One of the last remaining movie theatres in the country that features a rear-projection system.

Memorial to a beloved puppeteer as well as all street performers.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

Created by a local artist, these quirky sculptures each have their own names and personalities.

A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

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

The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

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

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

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

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

Impossibly life-like natural history models created out of glass by a father and son.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

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

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

Three prestigious academic collections come together to create a world-class natural history museum.

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

One of the now-less-hidden floral gems of the "Emerald Necklace."

Radical Bookstore and Community Space.

An enormous, inside-out glass globe built in 1935.