Comprised of two 10 meter telescopes includes information on equipment and instruments, with images and movies, observing information, and news.

Is 6.5 meters in diameter and provides historical information, public access information, and visual resources.

Is 8.2 meters, and includes general information, equipment and instrument information, presentations, and images.

Information on facility and equipment, news, science, observing, and inauguration.

A Very Large Telescope will consist of four 8-meter telescopes which can work independently or in combined mode, and includes information on observing, the site, and the project.

Facility information, equipment and instrumentation, observer information, and research. They have a 9.2 meter telescope as well as smaller ones.

International project consisting of two 8.4 meter mirrors on a common mount with general information, equipment information, news, and updates.

General presentation, project office, news, and links.

International partnership comprised of two 8.1-meter telescopes with equipment description and location, news, press releases, and newsletter.

The German-Spanish Astronomical Center at Calar Alto, Spain includes location, visitor information, equipment description, newsletter, and news operated by the Max Planck Institute for Astronomy.

Adaptive objects, who's involved, timeline, goals, why 30 metre, design, proposed site, projects, media, for teachers and students, and glossary.

Facilities include 200 inch, 60 inch, 48 inch, 18 inch, and the Snoop, and provides, general and visitor information, history, images, news, and research results.