Over the last several years, the Imax format has taken on a few different forms—but only a few dozen theaters are capable of screening it in its full glory.

IMAX CEO Rich Gelfond analyses "The Odyssey" success and why it's so expensive to create IMAX 70mm for movie theaters.

How long can 'The Odyssey' stay in Imax 70mm? As showtimes sell out seven weeks in advance, Nolan fans scramble for tickets.