The Star Trek star, 84, has announced his latest feat will take him on an eight-day trip with members of the American Legion and motorcycle builder American Wrench.

Shatner, who partnered with American Wrench designers to create the Rivet motorcycle, will raise awareness of the Legion's work by travelling 2,400 miles (3,862 kilometres), starting in Illinois on 23 June (15).

He will visit Las Vegas, St. Louis and Kansas City in Missouri, Oklahoma City, Oklahoma, Amarillo in Texas, Albuquerque, New Mexico, and Flagstaff in Arizona before a final stop in Los Angeles on 30 June (15).