The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

The last Americana on Route 66.

Hundreds of trees made from glass bottles make up this forest on Route 66.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

The ghost town that ended up on Ebay.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

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

Built in 1869, this now-retired structure looks more like a medieval fortress than a county lock-up.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

A museum and gift shop in a small Illinois town commemorates the work of E.C. Segar and the local figures on whom he based his characters.

Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

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.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

In 1847, Brigham Young climbed this hill to survey the Salt Lake Valley and saw a fine place to build a city.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Largest man-made excavation on earth!