"We Seceded Where Others Failed."

This haunting tombstone comes complete with a heartbreaking story of love and loss.

"X" marks the spot of an echo chamber in the middle of a plaza.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Giant granite rocks standing end-to-end like a train of circus elephants.

A wax effigy of St. Valentine hides one of the saint's relics.

Less a museum than a bizarre fantasy world created by artists and engineers.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

A chessmaster's dream destination.

This is not your typical jungle gym.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Erosion and time have created a naturally-formed water park.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

European castle ruins in an American state park are actually the product of death and grief.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.