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

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

Bouncing, delightful, mechanical art at the MIT Museum.

Former home of an abolitionist couple who escaped slavery and established the most active Underground Railroad stop in Boston.

The Boston home of a conductor on the Underground Railroad.

The largest collection of works by a pioneering Black woman sculptor is on display at this Massachusetts art museum.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

No one messes with the Massachusetts sacred cod, not this time...

In the 19th century, this was the center of Boston's Black community.

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

Historic home of a Black veteran of the American Revolution and one of the earliest civil rights activists in the United States.

The former home of a Boston physician whose murder led to a revolution in forensic science.

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

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

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

This impressive Boston holy house is the American mecca for Christian scientists.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

These beautiful garden buildings are among the oldest surviving greenhouses in the United States.

This supermarket is suspended 25 feet above an interstate highway.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

All that remains of the former site of the final home of president Franklin Pierce.