The Association of Midwest Museums (AMM), founded in 1927, is a dynamic, non-profit membership organization that provides resources to museums and cultural institutions and services to museum professionals.

NEMA is all about people. Museum people. The kind who live for their collections, who love wearing white gloves, who are passionate about sharing their passions with others.

A non-profit membership association, SEMC strives to increase educational and professional development opportunities and improve the interchange of ideas, information, and cooperation.

The Western Museums Association provides opportunities for learning and personal interaction to enhance the creative skills and enrich the lives of individuals who do museum work.

Collections: Historic photographs of lake boats, communities and individuals; 1,000 historic and vintage postcards of the lake and surrounding communities; artifacts recovered from the bottom of the lake from well-known 1800's and 1900's vessels

Walk through the door of Tiffin's first millionaire's home, which was built in 1853 and now houses the Seneca County Museum, and experience life as it was then.

The South Dakota State Agricultural Heritage Museum is dedicated to the preservation and interpretation of objects that relate to South Dakota's agricultural history and rural heritage from 1860-1960.