It looks like a UFO. Glides like a UFO -- at least one connected to the ground -- allowing it to follow sunlight as a flower would. And is probably as high-tech as a UFO would be.
One such home was spotted in upstate New York. Watch this clip about the home and see it move:
Dome homes like this are created by French manufacturer DOMESPACE as energy efficient and natural disaster-ready homesteads. According to its website, the first Domespace was built in 1988.