ArchiveGrid is a collection of over 7 million records describing archival materials, including historical documents, personal papers, family histories, and more. Records represent collections from over 1400 archives, libraries, museums, and historical societies, primarily in the United States.

Material descriptions include MARC records from WorldCat and finding aids harvested from the web. Content is re-harvested and re-indexed about every six weeks so finding aids are updated. Descriptions also provide contact information for the institutions where collections are kept.