The Millennium Carillon in Moser Tower and Visitor Center, 443 Aurora Ave., is open for the 2018 season.
Tours to climb to the top are available on Saturdays and Sundays through Oct. 28. Friday tours also begin in late May and are available until August 10.
After climbing 253 steps, visitors will be treated to panoramic views of Naperville at 160 feet above the Riverwalk.
In addition, talented carillonneurs from around the world will delight concert goers with an evening of free music at the Carillon at 7PM on Tuesdays from June 5 to Aug. 21.