An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

An enormous, inside-out glass globe built in 1935.

A giant green dragon crawls down from the roof of the Providence Children's Museum.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

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

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The site of the first "historically true" UFO encounter in the U.S.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

Stolen goods adorn the organ at Old North Church.

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

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

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

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

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

Narrowest house in Boston.

The site of Paul Revere's historic two lantern warning.

Dim sum, served in a grand old theater.

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

One of the few brewers in the U.S. experimenting with hop-free beers.

A stone memorial erected for New Hampshire's only convicted witch.

The most photographed house in Maine looks good enough to eat.

The grave of Mary Nasson is shrouded by witchy legends.