Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

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

A science teacher's dream.

This striking art museum holds an amazing series of curiosity cabinets.

It would be a crime to miss it.

An art deco ice cream shop covered in vintage tiles.

This magnificent Cincinnati graveyard is also a popular public park.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

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

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

First planned industrial community in the United States.

The final resting place of the world's first nuclear reactor.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

An antiquated German apothecary on Chicago's North Side.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

A hot dog stand where the heads are just as hot as the dogs.

A lush green oasis in the middle of Chicago.

One of the last functioning antique elevators in Chicago.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.