The Australia Telescope National Facility manages four large, state of the art radio telescopes in Southeast Australia. ATNF's web site is a complex configuration of resources for researchers, technicians, educators, and cosmology buffs. Amateur enthusiasts will want to navigate to the Outreach section, with its trove of photographs and educational materials. In particular, check out the Cosmic...

The European Southern Observatory (ESO) is an intergovernmental organization comprised of 14 member countries. Its headquarters are in Germany, but they have three observatories in Chile as well. Their website is loaded with information and visitors shouldn't miss going on the "Virtual Tours", on the far right side of the homepage. The tours are of the three observatories in Chile, and offer...