The rock act will headline the Hollywood Palladium and Red Rocks on the 13-date run.
Imagine Dragons will be roaring through the summer with a 13-date tour.
The group previously announced North American dates running from tonight, Feb. 22, through March 23. The new shows will find them performing at the Hollywood Palladium and the Red Rocks Ampitheater, among others.
The group's "Night Visions" has marked them as a breakthrough act: the debut set bowed at No. 2 on the Billboard 200. In its 25th week on the chart, single "Radioactive" currently sits atop Alternative Songs.