Killswitch Engage and Parkway Drive have announced a massive co-headline tour, dubbed "Collapse the World." The trek will take place in Spring 2019, kicking off on April 18 in San Francisco and running through May 16 in Milwaukee. After The Burial will appear in the lineup as a support act and the tour will be sponsored by Revolver. Tickets will go on sale this Friday, December 21 at 10am local time.