The fact that crop circles seem to mysteriously appear overnight, adds an element of intrigue. The secrecy behind their creation gives them a sense of wonder. They seem to have evolved from basic circles in the 60's into sophisticated, intricate complex designs with up to 1000's of sections or individual circles spanning 100's of meters with pin point geometric complexity that captivates the imagination.
Some formations display sacred geometry, astronomical alignments, Euclidean geometry and fractal patterns requiring advanced mathematical knowledge. Crop circles also use the golden ratio, fibonacci numbers, pi and even cymatic patterns. They appear all over the world, though England, especially in Wiltshire has the highest concentration.
The non human origin perspective
Are they an enigma with some kind of hidden message left for people to decode? Witnesses have claimed to see mysterious lights, balls of energy or even UAP's near formations. Stalks appear to have been bent and stretched with microscopic holes and expulsion cavities at the apical nodes without breaking by heat or possible microwave or plasma energy rather than being crushed by physical force.
There are also reports of soil composition and seed germination (with 5 times faster growth and more protein) being altered. Some studies had found elevated levels of iron oxide in some formations. Some scientific studies have even suggested electromagnetic anomalies or levels of radiation inside the circles.
Witnesses have reported crop circles appearing in very short time frames like minutes with flawless symmetry. Impossible for human teams secretly working in darkness. Sometimes creations with over 400 perfect circles would appear within a 4 hour period sometimes when it was raining.
Human made perspective
Hoaxers have confessed in the past and replication of complex designs have been possible using simple tools like rope, planks and GPS. Although some say the recreations are not as sharp and the crops are trashed instead of appearing to be gently laid or even braided.
Are they art?
If we were to say they are human constructs should they be considered art? They are not signed by the creator like conventional art and you cant sell or buy them. Could they be considered a performance land art piece blending artistry with mathematical and scientific symbolism where the audience never sees the artist at work.
Either way they do have an aesthetic beauty and humans have undeniably embraced them.