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

Superfans of The Shawshank Redemption can take a driving tour of most of the films real locations.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

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

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.

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

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

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

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

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

This is not your typical jungle gym.

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

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Complex aquaponics systems allow fish and plants to grow in harmony.

Statue dedicated to the star of an old television show.

This replica of the Greek structure is in the heart of Nashville.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

An unassuming store hides relics of its former life as the jazz club that hosted some of the best black performers of the 1920s and '30s.

The history of funerals and funerary customs.

The palatial McDonald's that inspired Wesley Willis.

This small-town park in southern Illinois has a 1,000,000-gallon swimming pool and a 100,000-barrel oil well.