Ah-Tah-Thi-Ki Museum

Ah-Tah-Thi-Ki is a museum of Seminole culture and history, located on the Big Cypress Indian Reservation in Hendry County, Florida. The museum is owned and operated by the Seminole Tribe of Florida.

The museum opened in 1997. It has been designated a Smithsonian Institution Affiliate.

The museum maintains The Seminole Indian Library and Archives in order to preserve and make accessible Seminole and Native American history for use by scholars and the general public. Holdings include: government documents dating from the early 1800s to mid 1900s covering 60 Native American tribes; a newspaper collection; The Ethel Cutler Freeman Collection (photography); The Boehmer Photographs Collection; The Brown Family Letters Collection; and various tribal memorabilia.

The Ah-Tah-Thi-Ki Seminole Indian Museum Oral History Program preserves Seminole history, memory, and culture through recording the spoken word. The oral history collection includes interviews conducted in Miccosukee and Creek language.