An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

A fascinating collection of art made from petrified wood and fossils by two octogenarian twin brothers.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

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

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

After covering almost 1.5 billion acres, the survey's still not finished.

This public space is speckled with the eerie remnants of a defunct amusement park.

Home to a protest movement, a bombing, and a dramatic change in labor history.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This public park was the site of the largest civilian disaster of the Civil War.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.