The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

An old airplane engine forms an unusual cairn atop this Moroccan peak.

Founded as a refugee camp, now a popular tourist spot.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

The legacy of a Moroccan Jewish community is remembered at this little mouldering cemetery.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

A fortified city, home to a remaining population of five families

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

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

Statue commemorating the use of ether in anesthesia.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

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

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

Beautiful steampunk ghosts of early Massachusetts.

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

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

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

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

This sanctuary is home to donkeys who finally get to rest after a life of toil.