If you are gullible enough to believe this UFO stuff, I have bridge I would like to sell you. This is one of the top 5% sites on the entire Web. There is one born every minute, and two to take them.
A page devoted to far out ideas about the face on Mars, called The Cydonia Zone.
The Mars page at Los Alamos National Lab. This includes a discussion of the face on Mars. Another (similar) discussion of the topography of the Face on Mars is presented by Malin Space Science Systems.
The Roswell UFO Incident: This is the US Air Force version of the incident. This is the Government Accounting Office version of the Roswell UFO incident. Here are the Top 15 Things Overhear in Roswell last week.
You didn't know the US Air Force has a great sense of humor? Check out their conspiracy web page, which comes to us from Wright-Patterson AFB (up in Dayton, where they are supposed to keep the aliens' bodies!). Speaking of the Air Force, here are pages for the Pentagon, Eielson AFB, Alaska, Eglin AFB, Florida, and Brooks AFB, Texas, all places I lived as a kid. Albrook Field in Panama is another, but it has been shut down.
"Alien Autopsy" - Fake Or Fiction? These are Hollywood professionals who say it is a fake! Warning - a bit intense. I would not want my kids to see parts of this page.
Creationism is a uniquely North American phenomenon. This page from Answers in Genesis argues that the world around us is a miracle and cannot be understood by science.
This is a discussion of creationism by a devout Christian who is also a respected astronomer. He has no problems with a 15 billion year old universe, and shows you should not either.
This is a set of rational discussions of aspects of the Kennedy assasination. So many people have only heard the conspiracy side of the story that it is becoming the accepted version.