Marfa Lights (Texas)

Anomalous lights seen for over a century near Marfa; no single confirmed cause.

The Marfa lights are an optical phenomenon regularly observed near Marfa, Texas, in the United States. They are most often seen from a viewing area nearby, which the community has publicized to encourage tourism. Scientists observing the lights over the period 2000 to 2008 concluded that the lights were the results of automobile headlights being distorted by warm desert air.