At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

This Indianapolis landmark offers a secret panoramic view of the city. 

A park where you can watch the highway zoom past.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The world's largest collection of the world's largest objects is in one small Illinois town.

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

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

An abandoned theme park with a strange and tumultuous past.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

A place to eat for on-the-run agents and espionage enthusiasts.

Statue dedicated to the star of an old television show.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

The restored ferry is now a dockside museum and a unique bed and breakfast.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.