Denver International Airport (DIA), commonly referred to as 'Denver Airport,' is a major public airport located 25 miles northeast of downtown Denver, Colorado, USA. It is one of the busiest airports in the world, handling millions of passengers annually with its vast terminal complex and extensive runways.

Infamously associated with conspiracy theories, including alleged underground bunkers for the elite, Illuminati symbolism in its murals, and claims of it being a hub for extraterrestrial or apocalyptic activities, fueled by its delayed construction and peculiar artwork.