This shallow cave got its name from copious amount of human bones found inside.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

This unusual three-way wooden foot bridge spans two rivers at once.

Former self-sufficient mental institution now a planned community.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

This scenic overlook commemorates the tragic death of a soon-to-be-married lumberjack.

The only presidential monument to display a late POTUS's actual casket.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Solving a 60-year mystery finally gave a name to the young woman known only by the color of her clothes.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

A quirky collection of outsider art made from automobile parts.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

A place for ship-lovers to watch the passage of freighters traversing the Great Lakes while learning about their history.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Artist Scott Hocking took a dilapidated 1890s barn to create his massive "Barnboat."

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.