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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A six-story-tall golden pyramid, surrounded by a moat.

Wisconsin's most celebrated export gets the royal treatment on I-94.

The Bong-area park police have asked visitors to please, stop stealing the signs.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

The building was originally a gas station built to resemble a Japanese tea house.

One of Frank Lloyd Wright's final works was this UFO church.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A factory in Milwaukee where poop is reclaimed… and recycled.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

A wonderfully curated used bookstore in an airport.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

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

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

Ornate and macabre headstone in one of the country's oldest cemeteries.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

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