The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

An art deco ice cream shop covered in vintage train station tiles.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

An abandoned relic of the city's failed experiment with below ground transit.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

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

This cave holds a surprisingly colorful variety of geological oddities.

This pebble beach is so beautiful that taking its rocks is against the law.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

The only arched bridge made of stone on the entire Mississippi River.

This large midwestern cavern features impressive rock formations and an underground waterfall.

Half of a waterfall goes into the river while the other half seems to disappear.

A true roadside icon standing on the same plains that the herds once roamed.

Three legendary, living albino buffalo roaming their pastures for all to see.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.