Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

Second largest wastewater treatment plant in the country.

Built to bless whalers before their voyages, this Massachusetts church now features a ship-shaped pulpit.

This supermarket is suspended 25 feet above an interstate highway.

The oldest playground in America.

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

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

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

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The world's largest piece of copyrighted artwork.

The infamous Boston Mob ran rackets from an office here in the 1970s.

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

Solar powered Spectacle Island features all-green facilities.

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

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

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

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

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.