In northern Ohio, the glorious past of America's trains is on full display.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

This restaurant proudly displays bread signed by the 39th president.

The 25th President's marble casket can be visited in this classical Ohio tomb.

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

In this relatively flat state the highest point is an honored place.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

This mysterious hill seems to pull objects uphill.

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

Take a drunken tour inside the world's largest known geode.

The largest ancient burial mound in Ohio.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

The final resting place of the most famous sharpshooter.