Zona Land
Educational and entertaining items pertaining to physics, the mathematical sciences, and to mathematics in general.
http://id.mind.net/~zona/

SIGKDD Explorations
Newsletter of ACM SIG on Knowledge Discovery and Data Mining.
http://www.acm.org/sigs/sigkdd/explorations/

DiP Painter Explorations
Tutorial about making seamless tiles with the Image Hose.
http://www.algonet.se/~dip/painter/hose/imhose1a.html

Explorations: Beam Me Up
An experiment confirms that teleportation is possible--at least for photons
http://www.sciam.com/article.cfm?articleID=00014CBD-7633-1C76-9B81809EC588EF21

MarsQuest Online
Explore the red planet: fly in 3D, launch a spacecraft, perform investigations, and more.
http://www.marsquestonline.org

Enneagram Explorations
Enneagram Test, Instinctual Subtypes Test, Enneagram workshops, Enneagram Coaching, Enneagam forum, Katherine Chernick Fauvre, David W. Fauvre
http://www.enneagram.net/

The Night Photographer
A gallery of night photography capturing the mood and atmosphere of moonlit landscapes, abandoned places, lightning, fireworks and more. Striking and unusual!
http://www.nightphotographer.com/index.htm

CyberTimes Navigator
The starting point that New York Times reporters and editors use for their explorations of the Web. A straightforward list of some of the best sources on the Web for all types of information.
http://tech.nytimes.com/top/news/technology/cybertimesnavigator/index.html

Interactivate
The goals of this site are the creation, collection, evaluation, and dissemination of java-based courseware for middle school mathematics explorations.
http://www.shodor.org/interactivate

National Institute of Oceanography, India
Under water marine archaeological explorations for sunken shipwrecks and submerged towns along the Indian shore are described.
http://210.212.160.230/projects/vora/project_vora.jsp