A beautiful, creepy 19th-century castle stands incongruously in rural Vermont.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

A men’s restroom became a sandwich shop.

The Boston square dedicated to the dark poet who was born nearby.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Beautiful steampunk ghosts of early Massachusetts.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

An eccentric inventor's castle home with its own indoor weather system.

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

Stumps of an Ice Age forest, visible only at low tide.

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

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

Stolen goods adorn the organ at Old North Church.

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

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

Narrowest house in Boston.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

A small chapel celebrating the spiritual bond between dogs and humans.