Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

An unknown number of cholera victims are buried in two nondescript graves.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

A chapel built by Italian POWs during World War II tells a forgotten tale of the war on the home front.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

The lynching and burial site of America's first train robbers.

The only freestanding table rock formation east of the Mississippi.

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

Ornate limestone building now filled with geologic specimens, and more.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

If astronomy had a ghost, it would look like this observatory.

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

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

A thriving Black community was destroyed by an angry white mob at this site in 1923.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

The highest point in Florida is still the lowest high point in the country.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

Hundreds of skulls and bones at the largest skeleton museum in the country.

When this test site was abandoned, they didn't even bother to take the rocket with them.