U. F. O.

 

Crowded skies

Earthfiles - Linda Moulton Howe

JTC UFO Database

UFO Casebook

UFODATA Project

Blue Book Archive

CUFOS

MUFON

National UFO Reporting Center

NICAP

Stanton Friedman

UFO Maps

The Anomalist

UFOinfo.com

Humanoid Sighting Reports & Journal of Humanoid Studies

The Magonia Database - A century of UFO landings (1868-1968)

EXOPOLITICS: Politics, Government, and Law in the Universe

THE PRUFOS POLICE UFO DATABASE

UFOseek, the UFO Paranormal Search Engine

Aliens Extraterrestrials Central

Alien-UFO-Research

PADRAK UFO Website

Mystical Universe

Openminds.tv

Paradigm Research Group Portal

SAUFOR

The Black Vault

Unexplained Mysteries

UFOs and Extraterrestrials in Art History - Crystalinks

UFO

UFO HQ

UFO Information

UFO.it

UFOs R real

UFO Resource Center

 

Crop Circles

Agroglyphes.fr

Crop Circle Center

Crop Circle Connector

Crop Circle Research

Crop Circles Secrets

Lucy Pringle Crop Circle Photography

Norwegian Crop Circle Group

Temporary Temples

Crop Circles and Alien

Crop Circle Access Centre

Crop Circles | Who and why?

Crop Circles

Crop Circles - Crystalinks

2015 Crop Circles

Crop circle - New World Encyclopedia

Crop Circles - Their Meaning and Connections to Dreams

Crop Circles, Ancient Stone Sites, Megaliths, Geoglyphs, Pyramids

Origin of Crop Circles

World Mysteries - The Crop Circles