The Denver International Airport has been fueling elaborate conspiracy theories since it opened in 1995. New advertisements posted around the building suggest it doesn't really mind its associations with lizard people and/or the Illuminati: Rather than dispelling these rumors, the airport is using them as fodder for a new tongue-in-cheek ad campaign, Mashable reports.

The ads are tied to the renovation of the Denver Airport's Great Hall, and they're displayed on the construction walls that have been erected around the space since the project began this summer. Instead of promoting the new plans, posters make reference to some of the wildest conspiracy theories attached to the airport, including the rumored tunnels that run beneath it, its freemason associations, and the cursed blue horse statue outside (which is actually responsible for the death of its sculptor).

The ads include pictures of gargoyles and aliens, with one reading "Yes, Den's got some secrets" in large letters. Each poster includes the URL DENFiles.com, which redirects to the airport's renovation project website.

The Denver International Airport has inspired so many conspiracy theories that it's hard to fit them all into one ad campaign. You can read more of the unsettling rumors here.

[h/t Mashable]