General:
Dreamscapes (A variety of mysteries!)
The Encyclopedia of the Unusual and Unexplained (Covers a variety of subjects.)
HAARP Home Page
Spiral Update News (The marriage of science philosophy and religion.)

Alternative Science:

Antigravity News and Space Drive Technology

Chemtrails:

Chemtrails (Lots of photos and articles)
Chemtrails-An Introduction (Lots of info)
Chemtrail Central (Lots of photos, and a technical research report.)

Conspiracy-Related:

911 Truth
The Smoking Gun

Time Travel:

Wingmakers ("Wingmakers" is the amazing story of the discovery of a time capsule stored deep inside a canyon in northern New Mexico for over 1000 years. It is supposedly from people in the future.)

Very Odd:

The Federal Vampire and Zombie Agency
"Rods" (International Sky Fishing Association) (This is one of the most fascinating phenomenons you will ever see! This research is being pioneered by Jose Escamilla)
Spontaneous Human Combustion