Archaeological Associates of Greenwich
The AAG sponsors lectures as well as prehistoric student education programs, and acts as clearing house for archaeological information in the Greenwich area.

Astronomical Society of Greenwich
A club for amateur astronomers at all levels of expertise, to advance awareness and understanding of various aspects of astronomy.

Connecticut Art Trail

The Greenwich Antiques Society
A membership organization that offers lectures and programs throughout the year to further the appreciation and understanding of antiques and the decorative arts.

The Connecticut Ceramics Study Circle
A membership organization that offers lectures, workshops and research groups to promote the understanding and appreciation of antique pottery and porcelain.
ceramiccircle@optonline.net

Metro-North Railroad's "One-Day Getaways"