Mysterious airport tunnels to open beneath hub long tied to conspiracy theories
Denver International Airport is set to open sections of its underground tunnel system, which has been the subject of various conspiracy theories. The project aims to convert old baggage tunnels into pedestrian walkways connecting different concourses. Construction is expected to begin in 2027, with costs estimated between $300 million and $700 million, funded by airport revenue.
- ▪Denver International Airport plans to open parts of its underground tunnel network to passengers.
- ▪The new pedestrian walkways will connect concourses A, B, and C as part of a major expansion project.
- ▪The project is part of the airport's 'Vision 100' expansion plan to accommodate future passenger growth.
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Lifestyle Mysterious airport tunnels to open beneath hub long tied to conspiracy theories By Kelly McGreal, Fox News Published May 29, 2026, 3:31 a.m. ET See more of our coverage in your search results. Add The New York Post on Google Originally Published by: Construction workers clearing old bombs unexpectedly find 'important' ancient sanctuary Disneyland remains open as evacuation zone shrinks around chemical tank scare Passenger's stunning $5K cash tip leaves cruise worker in tears in shocking video Denver International Airport is preparing to open portions of a mysterious underground tunnel system that has long been plagued by conspiracy theories.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at New York Post.