A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

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

This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

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

The first artificial white water river course in North America cuts right through an Indiana city.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

A humble homemade ride attracts visitors from around the globe to this small Midwestern town.

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

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Planes, trains, and automobiles have all been sunk as attractions at this Illinois diving spot.

An amazing collection of scale model ships.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

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

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

A notorious Route 66 eatery once frequented by Al Capone.