The MMT Observatory
- Is 6.5 meters in diameter and provides historical information, public access information, and visual resources.
- http://www.mmto.org/

Canadian Aspects of the Thirty Metre Telescope
- Adaptive objects, who's involved, timeline, goals, why 30 metre, design, proposed site, projects, media, for teachers and students, and glossary.
- http://lot.astro.utoronto.ca

W. M. Keck Observatory
- Comprised of two 10 meter telescopes includes information on equipment and instruments, with images and movies, observing information, and news.
- http://www.keckobservatory.org/

Southern African Large Telescope
- Information on facility and equipment, news, science, observing, and inauguration.
- http://www.salt.ac.za/

Centro Astronómico Hispano Alemán
- 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.
- http://www.caha.es/

Large Binocular Telescope Observatory
- International project consisting of two 8.4 meter mirrors on a common mount with general information, equipment information, news, and updates.
- http://medusa.as.arizona.edu/lbto/

Caltech Astronomy
- 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.
- http://www.astro.caltech.edu/palomar/

Paranal Observatory
- 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.
- http://www.eso.org/paranal/

Subaru Telescope
- Is 8.2 meters, and includes general information, equipment and instrument information, presentations, and images.
- http://www.naoj.org/

Gemini Observatory
- International partnership comprised of two 8.1-meter telescopes with equipment description and location, news, press releases, and newsletter.
- http://www.gemini.edu/public/