Sonoran Desert [Author Image] "Because the horizon bounds the viewer inside a wall-like vertical visual barrier, it commonly takes on deep cultural significance. As the point at which the land breaks visual contact with more distant places, in traditional societies the horizon often symbolizes the boundary between known and unknown, safe and dangerous, familiar and foreign" [Bernardini et al. 2013] Unless asleep or unconscious, human visual perception is a continuous process.

How does a culture such as this keep a sophisticated mathematics and building style alive for hundreds of years?

For an astronomical alignment to be considered archaeologically real, the alignment has to show intent.

For thousands of years before European contact, the peoples of eastern North America have lived along the banks of the region's many rivers.

The Hopewell culture culminates in a history that goes back thousands of years.

My wife and I decided to do a project together to create a collection of NFTs.