U.S. Department of Energy National Research Laboratories: brief reports of the research, press releases, and history of national research laboratories, such as:
Lawrence Livermore Laboratory - This Department of Energy site details many current and past research activities such as the National Ignition Facility and the Accelerated Strategic Computing Initiative.
Fermi National Accelerator Laboratory (Fermilab) - Cybertour of Fermilab, research done at the lab, and general information on high-energy physics.
Stanford Linear Accelerator Center (SLAC) - Intro to SLAC, and information for students and teachers.
European Organization for Nuclear Reserch (CERN) - Info on research being done at the laboratory.