This roadside attraction is first class and so big you’re going to want to visit posthaste. It’s the world’s largest mailbox in Casey, Illinois.

Casey, Illinois is known for its big versions of normal-sized things. With twelve world-record holding world’s largest roadside attractions and a whole pack of non-record breaking but still impressively large objects, it’s a must see stop on any Illinois road trip.

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One of the biggest of the big things in Casey is the world’s largest mailbox. Certified as the world’s largest by Guinness World Records on October 20, 2015, it measures 5,743.41 cubic feet and follows the design of a standard post mount mailbox to the letter.

The best part? This giant mailbox really is a mailbox! Hidden away in the post is a secret staircase that allows visitors to climb inside. Waiting at the top? A mail slot to drop your postcards to home. The big red flag on the side even raises up and down whenever anyone mails a letter.
While up there be sure to walk to the edge for impressive aerial views of some of the other roadside attractions in Casey, Illinois (like the giant birdcage, the world’s largest barbershop pole, and the world’s largest rocking chair).

Like all the other giant attractions in Casey, the biggest mailbox in the world was created by Jim Bolin, who originally came up with the idea to create a giant wind chime to lure people off the highway and into Casey. His plan worked so well that one big thing turned into another. And another. And now, an entire town is filled with weird, wacky, and wonderful roadside attractions.
Not to play favorites, but of all the attractions in Casey, Illinois, the world’s largest mailbox just might be one of mine. Let’s just say that this Illinois roadside attraction gets my STAMP of approval.
Want to find more local roadside attractions? Check out our list of everything to see in Casey, Illinois’s Big Things in a Small Town and download our Map of Big Things in Casey, Illinois. Spending the night in Casey! Find the best Casey Illinois Hotels and find out where to stay to see big things!
World’s Largest Mailbox in Casey, Illinois Video
Photos of the World’s Largest Mailbox in Casey, Illinois
Plan Your Casey, Illinois Road Trip
Planning a road trip to Casey, Illinois to explore all the Big Things in a Small Town? Here are some of our best resources to help you plan the perfect vacation.

Casey Illinois Attractions: Big Things in a Small Town
If you’re the type of person who always pulls over for roadside attractions you can’t miss this. Casey, Illinois is home to twelve official world’s largest things, houses a myriad of other oversized attractions, and takes its slogan of “Big Things in a Small Town” seriously. You can’t miss seeing all of these Casey Illinois attractions.

Casey, Illinois Map of Big Things
Casey, Illinois is a small town known for its big things. On every street corner in town you’ll find a different world’s largest roadside attraction. With over thirty roadside attractions packed within a small area, there is so much to see, and it is easy to lose track of it all. You’ll need to reference a Casey, Illinois map of big things to make sure you see them all!

Casey Illinois Hotels: Where to Stay to See Big Things
you’re taking a road trip to Casey, Illinois to see all the “Big Things in a Small Town,” be sure to plan to stay a while! While you can probably see all of the town’s world’s largest things in a few hours or an afternoon, if you plan to spend the night you can be assured that you have plenty of time to see all the roadside attractions, pop into the shops, and try out a few of the local restaurants for breakfast, lunch, or dinner. Luckily, there are a couple of great Casey Illinois hotels close to everything you want to see!