The Mississippi River Visitor Center overlooks Locks and Dam 15 in Rock Island, Illinois, and includes an observation deck, museum, interactive displays, theater, gift shop, small aquarium and one of the best views of locking through you will find on the Upper Mississippi River. Corps of Engineers park rangers and volunteers are also on hand to answer questions and assist anyone interested in purchasing America the Beautiful Interagency Passes or USACE annual day use passes. Face masks are required to be worn while inside the visitor center.

The Mississippi River Visitor Center is located at Building 328, Rodman Ave, Rock Island, Illinois. To gain access to the Rock Island Arsenal, all visitors must acquire a visitor pass from the Visitor Control Center located at 5309 Prospect Drive, Rock Island, Illinois, near the Moline entrance. More information on accessing the Rock Island Arsenal can be found by visiting the website https://home.army.mil/ria/index.php or by calling 309-782-1337.