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

Rare recess caves fill this unbelievably beautiful Ohio park.

An abandoned relic of the city's failed experiment with below ground transit.

A castle built by an eccentric medieval enthusiast in rural Ohio.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Take a drunken tour inside the world's largest known geode.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The only freestanding table rock formation east of the Mississippi.

The first spinning jail built in the United States is the only one that still turns.

If astronomy had a ghost, it would look like this observatory.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A medical facility that has been kept frozen in time.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

One extremely determined man's homemade universe.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

Museum with an extensive collection of Cray supercomputers and related artifacts.

Meet the "Green Monster" of Monico, Wisconsin.

This circus town museum recognizes the outstanding clowns of history.

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

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.