The Fly Geyser is a unique and captivating natural wonder located in the Black Rock Desert of Nevada, USA. It is a man-made geothermal geyser, created accidentally in 1964 when a well was drilled to tap into the area's geothermal energy. The Fly
From Wikipedia
A fly is an insect of the order Diptera, named for the single pair of wings. The hindwings have evolved into halteres, organs that sense rotation, giving flies precise control of their flight. Diptera is a large order containing more than 150,000 species, including horse-flies, crane flies, hoverflies, mosquitoes and others.