Built in 1869, this now-retired structure looks more like a medieval fortress than a county lock-up.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

One of few surviving standpipe water towers in the U.S.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

A kitschy, creepy St. Louis mainstay.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

An urban forest overtakes what was the greatest failure of utopic urban housing.

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

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Final resting place of one of the classic authors of horror literature.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

Curious cave that stays a cool 56 degrees all year long.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

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

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

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

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.