The largest glacial erratic boulder on Cape Cod.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

Dedicated to a colonial woman who was hanged for being a Quaker.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

This mill played a key role in the region’s development and it is just one of ten along the east coast of the United States.

A memorial dedicated to victims of the Irish Potato Famine who perished while quarantined on this island.

Second largest wastewater treatment plant in the country.

The last remaining attraction from Paragon Park.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

A luxury hotel constructed out of a former jail.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

What may be Boston's finest Art Deco building, located in the city's Financial District.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

This supermarket is suspended 25 feet above an interstate highway.

Oldest church in the United States that is still in continuous use.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

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

The world's largest piece of copyrighted artwork.

Plymouth's huge yet little-known memorial to the Pilgrims.

This old mill and former police station now present a world-class collection of Orthodox iconography.

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

The hill that gave the Massachusett tribe, and later the state, its name.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.