I was just in the Denver airport earlier this month...the 16th to be exact, on my way to Vancouver. However, I noticed nothing out of the ordinary,
and I was there for a couple of hours. It was my first time in that particular airport, but it seemed to run smooth to me. Much better than having
to go through Pittsburgh or Houston...

I did hear a high-pitched sound while there, but contributed it to pressure changes. Sorry to say, I
didn't see any aliens...

Beautiful views of the mountains if you ever do go through it...