This mysterious hill seems to pull objects uphill.

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

A giant lumpy candle serves as a beacon for this highly scented pit stop.

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

A medical facility that has been kept frozen in time.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

The longest navigable underground river in the United States is home to countless blind and albino animals.

This stately clubhouse has showcased German-American culture for over a century.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The lynching and burial site of America's first train robbers.

A singular collection of hand-built art deco cars are held in a building with style to match.

The only freestanding table rock formation east of the Mississippi.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.