The following are sites we have found interesting and enlightening:

alienobserver.com

Explore and Explain the Alien and UFO Enigma - Alien Observer.com.

Atlantisinsights.net

Based on the book, "Atlantis: Insights from a Lost Civilization", which combines information from scholars, scientists and psychics to describe the civilization of Atlantis on land in the Atlantic Ocean from 100,000 BC to 10,000 BC.

Time-Travel.com

Explore the possibilities on the exciting new frontier of time travel with the Time Travel Research Center, a company dedicated exclusively to helping mankind achieve practical time travel technology and capabilities.