Punk rock luminary Henry Rollins has been many things in his life: musician, actor, spoken word artist. With his latest effort he puts yet another identifier on his resume: conflict zone photographer.

In his new book, Occupants, Rollins collected years of pictures he took while traveling in places as far-fetched as Cambodia, Saudi Arabia, Vietnam, and Iraq. It's an impressive collection built entirely out of Rollins's desire to expose readers to corners of the world they may otherwise never see.

"To be in a place that is still digging themselves out of a war so many years later and realize that...