A bypass decorated with large wooden troll carvings.

This cave holds a surprisingly colorful variety of geological oddities.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

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

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

A terrific purveyor of natural history objects and curios.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A semi-scholarly approach to sex.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

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

This is not your typical jungle gym.

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

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

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

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

The oldest experimental corn field in America is still creating better ways to grow crops.

The final resting place of the world's first nuclear reactor.

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

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.