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

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

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

This landmark cemetery in Boston was created more than 300 years ago.

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

Narrowest house in Boston.

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

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

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

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

A tiny monument to the classic American candy.

The world's largest piece of copyrighted artwork.

This beautiful architectural gem was the first waste treatment facility in Boston.

Museum dedicated to awful artwork.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

An inclusive, climate-resilient playground honors the life of a young Boston Marathon bombing victim.

Interactive museum complete with costumed re-enactors and the only known surviving chest from the Boston Tea Party.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A memorial to Chinese freedom in the city where American freedom was born.

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

This historic Boston building has gone from personal estate to porn theater and back again.

This plaque is dedicated to one-half of the Magliozzi brothers and their hit radio show, 'Car Talk.'

This Victorian home turned opera house may have a phantom of its own.