Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

An 80-year-old house built out of newspapers.

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

America's oldest archaeological site or a muddled case of wishful thinking.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Museum dedicated to awful artwork.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This impressive Boston holy house is the American mecca for Christian scientists.

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

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

The world's largest piece of copyrighted artwork.

The massive machine creates cracking displays of indoor lightning.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

Friction between grains of sand cause a curious "singing" sound.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

A cave dug by a man directed by ghosts to find pirate treasure.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

One New Hampshire alleyway has become home to a public gallery of feline art.