The Archaeological Institute of America (AIA) is the world's oldest and largest archaeological organization. Founded in 1879 and chartered by the United States Congress in 1906, the AIA is a nonprofit organization with members spanning over 100 Local Societies in the United States, Canada, and overseas. The AIA brings together professional archaeologists, students, and enthusiasts who share a passion for archaeology and its contribution to advancing human knowledge.

The AIA is dedicated to promoting archaeological inquiry and public understanding of the material record of the human past. With a focus on fostering an appreciation of diverse cultures and shared humanity, the AIA supports archaeologists and their research, encourages ethical practices in archaeology, and advocates for the preservation of the world's archaeological heritage. The AIA offers a range of programs and services, including fieldwork grants, awards, and career opportunities for professionals.

They also organize the Annual Meeting, where archaeologists come together to share their findings and collaborate. Through various resources like Archaeology Magazine, AIA Tours, and educational initiatives, the AIA reaches people of all ages and educates them about the significance of archaeological discoveries. By becoming a member of the AIA, individuals can actively contribute to the understanding, protection, and preservation of the world's archaeological resources.

The AIA's rich history, spanning over a century, showcases its commitment to archaeology and its enduring impact on our understanding of the past