NASA's Unexplained Files

Season 5 Episode 5: Stonehenge on Mars

When NASA spots a something on Mars that resembles Stonehenge, they investigate what could have made this strange structure. Scientists discover a mysterious hole in Saturn's rings. An ancient tribe claims contact with alien visitors.

Genre:

Documentary, Talk, Mystery

Seasons:

6

Episodes:

47

Cast:

Quality:

HD

Duration:

60 min

First Air:

2012

Rating:

7.1