Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

Bronze statue marks the spinach capital of the world.

The only diamond mine in the world where you can keep what you find.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Inside houses a vast collection of military aircraft and missiles spanning the ages.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

A retro walk through the history of the tube.

A real flying saucer, contracted by the U.S. Air Force.

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

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

Low-frequency noise compared to an idling train can only be heard by some of this industrial town's residents.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

A giant lumpy candle serves as a beacon for this highly scented pit stop.

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

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

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 bespectacled, cocktail-sipping pachyderm is a strange but fitting liquor store mascot.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.