Before the Multiplex Era: When Century 21 Was Colorado Boulevard’s Crown Jewel
For decades, the Century 21 Theatre on South Colorado Boulevard was one of Denver’s most iconic movie destinations. Opening its doors on December 22, 1966, this futuristic, dome-shaped cinema stood as a beacon for film lovers across the city. Designed by Denver architect Richard L. Crowther, the Century 21 was built to showcase the grand road-show films of its era — epic movies shown in 70 mm with full stereo sound, plush seating, and a massive curved screen that made audiences feel like they were part of the action. With more than a thousand seats, the single-screen auditorium quickly became known as one of the finest moviegoing experiences in Colorado.
The theater thrived through the 1970s and 1980s, hosting major premieres and long-running hits that drew crowds from across the metro area. Locals remember the excitement of lining up under its sweeping dome, ticket in hand, ready for the kind of cinematic spectacle that only a theater like Century 21 could deliver. But as multiplexes took over the movie industry in the early 1990s, single-screen giants like the Century 21 began to fade. The theater finally closed in 1993, ending an era for Denver filmgoers.
After its closure, the building briefly found new life as a Soundtrack electronics store before sitting mostly unused. By 2012, the distinctive structure was demolished to make way for new retail development, erasing one of the last mid-century modern landmarks on South Colorado Boulevard. Today, the site is home to shopping and restaurants — but for many longtime Denver residents, it will always be remembered as the place where movie magic filled the air.
