This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

America’s oldest community theater, this Boston club has been in operation since 1877.

This historic Massachusetts tavern played a critical role in the start of the American Revolution.

Monument on the spot where in 1778, Bathsheba Spooner had her husband Joshua killed and dumped down his own well.

A small obelisk commemorates the launch site of the world's first liquid-fueled rocket.

This unassuming stone commemorates a condiment factory gone up in smoke.

The oldest philatelic museum in the United States.

These impressively detailed battle scenes depict the violence and tragedy of war in miniature.

Last church of this militaristic WWII style.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

Stolen goods adorn the organ at Old North Church.

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

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

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

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

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

This unassuming Massachusetts residence was built with a trap door to hide escapees on the Underground Railroad.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

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

A monument to the Mohawk people stands along an old Native American trade route.