The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The palatial McDonald's that inspired Wesley Willis.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

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

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

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

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

These pretty kitties killed and ate as many as 135 railway workers.

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

A display of magnificent stained glass windows is the first exhibit of its kind.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

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

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

University City's quirkiest resident lives in a park named after its first.

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

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

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

This otherworldly church spire reaches up toward the heavens.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.