The Backstreet Boys launched their summer residency titled 'Into the Millennium' at the Las Vegas Sphere, becoming the first pop act to headline the innovative venue. The residency features cutting-edge production elements, including immersive film experiences and advanced visual effects, described as "mind-boggling" and pushing the limits of the Sphere's capabilities. The opening show included a notable moment where a 'UFO' illuminated the stage, adding to the nostalgic and futuristic atmosphere. Tickets for the residency are in high demand, with some still available through select online platforms. The Las Vegas Sphere itself is highlighted as a groundbreaking venue offering a unique concert experience.