Construction Controversy The airport opened in 1995 amid budget overruns and rumors that vast tunnels hid clandestine facilities.12 Ongoing Speculation Murals, gargoyles, and a blue mustang statue fuel talk of Illuminati symbolism and doomsday shelters.345 References flydenver.com ↩ nytimes.com ↩ westword.com ↩ travelchannel.com ↩ en.wikipedia.org ↩