Inside the stockade at Fort Gibson, a historic military site in Oklahoma that guarded the American frontier in Indian Territory from 1824 until 1888.

- Image ID: 2BCN6F8

Inside the stockade at Fort Gibson, a historic military site in Oklahoma that guarded the American frontier in Indian Territory from 1824 until 1888.

Allen Creative / Steve Allen / Alamy Stock Photo

Image ID: 2BCN6F8

Location: Fort Gibson, Muskogee County, Oklahoma, USA.