This historic Canadian jail was once the longest operating prison in the country and is now open for people to incarcerate themselves.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

A scenic overlook of a pit mine hundreds of meters deep filled with blue water.

This Maine bridge may be the last wire-supported bridge of its type in the world.

This supermarket is suspended 25 feet above an interstate highway.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

This Massachusetts home was the first to have a telephone line and its own phone number: 1.

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

This picturesque abandoned home is rumored to be a spite house.

The oldest living cultivated fruit tree in North America.

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

"Mock all and sundry things, but leave the saints alone."

A school used as a model for public education across the country.

This memorial honors those who served on Gallops Island Radio Training Station during the second World War.

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

Tragedy on Little Brewster Island memorialized.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Narrowest house in Boston.

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

A men’s restroom became a sandwich shop.