International Research Group on Physics Teaching http://www.pef.uni-lj.si/~girep/	An international organization which runs conferences about physics teaching.
American Association of Physics Teachers'  Physical Sciences Resource Center http://www.psrc-online.org/	A nice, large site with many physics education resources, including curriculum materials, demonstration manuals, evaluation instruments.
Physics Web by the Institute of Physics  http://physicsweb.org/	Links to journal articles and physics news; good for browsing
Fermilab Education Office http://www-ed.fnal.gov/	Many links, on-line activities, and resources for educators
Pictures of Famous Physicists http://www.th.physik.uni-frankfurt.de/~jr/portraits.html	A useful site if you are looking for pictures of physicists.  Well -organized, with thumbnails.
Multimedia Physik http://didaktik.physik.uni-wuerzburg.de/~pkrahmer/home/programm.html	German physics page, with downloadable simulations
Mathematical and Physical Journal for Secondary Schools http://www.math.elte.hu/komal/	Hungarian Journal for High-school students.  English version available.
Multimedia Physics  http://newton.phy.bme.hu/education/index.html	Teaching Physics with web (pictures, simulations, curricula)