Marco (1973) is a historical adventure musical film about the legendary Venetian explorer Marco Polo. Starring Desi Arnaz Jr. as Marco, the film follows his epic journey to China during the 13th century, where he encounters the powerful Kublai Khan, played by Zero Mostel. As Marco gains favor in the Mongol court, he experiences cultural wonders, political intrigue, and romance. The movie blends history with musical elements, featuring elaborate song-and-dance sequences. Though visually ambitious, Marco received mixed reviews for its historical accuracy and musical approach. It remains a unique cinematic take on Polo’s legendary travels to the East.