Oldest monument in Chicago.

Oldest Monument In Chicago

Field review by the editors.

Chicago, Illinois

Nearly 16 feet tall, a battered monument marks the state line between Indiana and Illinois, and has been doing so since 1838. Built of large, age-pitted limestone blocks in a crude kind of pyramid, topped by a little roof that looks like a hat, it stands in a small patch of gravel just outside the gates of the Commonwealth Edison Generating Plant.

We normally don't care much about state line markers, not even big ones. But this particular pile of rocks has the distinction of being here longer than any other human-made monument in Chicago; it's been here nearly as long as there's been a Chicago. In deference to its alpha status, it was carefully moved about 200 feet north to its present spot in 1988, and was designated an official Chicago Landmark in 2002.

People have gone to a lot of trouble for this blocky thing.

Oldest Monument In Chicago

Commonwealth Edison State Line Generating Plant

Address:
S. Access Rd, Chicago, IL
Directions:
Drive south on US 41/Mackinaw Ave., paralleling the lake, until you reach 99th St. Turn left onto 99th, then quickly turn right onto Ave. H, then quickly turn left onto 100th St., then quickly turn right onto Ave. G. Drive to the end. The monument stands outside the gates of the Commonwealth Edison State Line Generating Plant.
Hours:
Daylight. Local health policies may affect hours and access.
Save to My Sights

Nearby Offbeat Places

Stone CavemanStone Caveman, Chicago, IL - 1 mi.
Grave in a JunkyardGrave in a Junkyard, Chicago, IL - 2 mi.
Mascot Hall of FameMascot Hall of Fame, Whiting, IN - 3 mi.
In the region:
Smiley Face Water Towers, Calumet City, IL - 7 mi.

More Quirky Attractions in Illinois

Stories, reports and tips on tourist attractions and odd sights in Illinois.

Explore Thousands of Unique Roadside Landmarks!

Strange and amusing destinations in the US and Canada are our specialty. Start here.
Use RoadsideAmerica.com's Attraction Maps to plan your next road trip.

My Sights

My Sights on Roadside America

Create and Save Your Own Crazy Road Trip! ...Try My Sights

Mobile Apps

Roadside America app: iPhone, iPad Roadside America app for iPhone, iPad. On-route maps, 1,000s of photos, special research targets! ...More

Roadside Presidents app: iPhone, iPad Roadside Presidents app for iPhone, iPad. POTUS landmarks, oddities. ...More

Illinois Latest Tips and Stories

Latest Visitor Tips

Sight of the Week

Sight of the Week

Big Jim: Giant Gunslinger, Bentleyville, Pennsylvania (Nov 29-Dec 5, 2021)

SotW Archive

USA and Canada Tips and Stories

More Sightings

RoadsideAmerica.com Hotel & Motel Finder

Special rates for hotels.

Book Now