
One of the World’s Oldest Landmarks Is Hidden in Illinois
One of the World’s Oldest Landmarks You Can Still Visit Is Right Here in Illinois
When you think of famous world landmarks, places like the Tower of London, Easter Island, or even Times Square may come to mind. But did you know that one of the oldest landmarks in the world that you can still visit today is located right here in Illinois?
The Cahokia Mounds, located near Collinsville, Illinois, are considered one of the most significant prehistoric sites in North America. While I’ve never personally visited the Cahokia Mounds, everything I’ve seen shows they remain one of the most beautiful and historically important places in Illinois and the world.
Read More: The Best Places to Ice Skate in Illinois
According to Love Exploring, the Cahokia Mounds State Historic Site is included on a list of the 40 oldest landmarks in the world that are still open to visitors. While the site may not be as flashy as London landmarks or major tourist attractions, its deep history makes it just as impressive.
A Look at the History of Cahokia Mounds
The Cahokia Mounds were built by the Mississippian culture during the 11th and 12th centuries. At its peak, Cahokia was a massive and sophisticated prehistoric city, making it the largest settlement north of Mexico at the time.
Read More: A Stunning Historic Town Near Quincy You Need to See
Often described as the remains of a “sophisticated prehistoric Native civilization north of Mexico,” the Cahokia Mounds sit just across the Mississippi River and continue to be a powerful symbol of early American history.
Visiting the Cahokia Mounds Today
One of the best parts about visiting the Cahokia Mounds is that admission and parking are completely free. The historic site is easily accessible and located just off Interstates 55/70 and 255, as well as Illinois Route 111 on Collinsville Road.
The Cahokia Mounds are recognized as a National Historic Landmark and are protected by the state of Illinois, ensuring this important piece of history is preserved for future generations.

If you’re looking for a unique destination that blends history, culture, and natural beauty, the Cahokia Mounds are a must-see, and they’re right in our own backyard.
LOOK: Baby names that are illegal around the world
Gallery Credit: Annalise Mantz

