Imagine Science: Black Holes  
   A service of the High-Energy Astrophysics Learning Center. A nice introduction to black holes. Intended for ages 14 and up.
   http://imagine.gsfc.nasa.gov/docs/introduction/black_holes.html

Falling into a Black Hole  
   This is a website that describes the geometry of a black hole and what would happen if one were to fall into one.
   http://casa.colorado.edu/~ajsh/schw.shtml

Relativity Tutorial  
   an illustrated introductory guide to relativity
   http://www.astro.ucla.edu/~wright/relatvty.htm

skinny monkey takes a look at black holes  
   a brief overview of black holes - the maths that allows and describes them, their formation, and their weird properties.
   http://www.geocities.com/jwyg/Black_hole.html

Big Bang  
   A book outlining the Yilmaz refinement of Einstein's theory which eliminates black holes and the big bang.
   http://www.olduniverse.com/

Black Holes, Mysterious Objects in Space  
   Elementary information about black holes, including how they are observed, what happens to particles entering one, and a description of their close relatives, neutron stars.
   http://www.angelfire.com/hi3/wolferine/science.html

How Stuff Works: How Black Holes Work  
   What are black holes? Do they really exist? How can we find them?
   http://www.howstuffworks.com/black-hole.htm

A Black Hole on the Desk  
   By putting a black hole into a familiar environment like a desk, one may experience what `curvature of space' means in a new way, understanding the cosmological effects of light bending and gravitational lenses from this playground.
   http://www.photon.at/~werner/bh/

XMM: Black Holes and Quasars  
   Educational site on the Birmingham Uni XMM website.
   http://www.sr.bham.ac.uk/xmm/blackholes.html

Geometry Around Black Holes  
   A very basic web site on the geometry of black holes and what they would theoretically look like in space time.
   http://www.astro.ku.dk/~cramer/RelViz/text/geom_web/geom_front.html

Black Hole FAQ  
   Loosely speaking, a black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull
   http://cosmology.berkeley.edu/Education/BHfaq.html

Anatomy of A Black Hole  
   From the University of Illinois. Educational sequence suitable for high school students.
   http://archive.ncsa.uiuc.edu/Cyberia/NumRel/BlackHoles.html

Black Holes: Portals into the Unknown  
   An interactive journey into a black hole.
   http://library.thinkquest.org/10148/

Black Holes  
   Observational evidence of black holes from Cambridge.
   http://www.damtp.cam.ac.uk/user/gr/public/bh_home.html

A Black Hole FAQ  
   A good list of FAQ questions with detailed answers.
   http://cosmology.berkeley.edu/BHfaq.html

Black Holes to Blackboards-God Divided by Zero  
   Laying your hands on a black hole is hard (and dangerous) to do, but there are ways to understand these objects and avoid the pain of dimension-bending.
   http://www.astrosociety.org/pubs/mercury/9802/lockwood.html

Black Holes: General Information  
   Provides information on black holes.
   http://www.geocities.com/blackholeinfo/