[wita]

If I could just see that green mileage sign down the road a way, I would know where the heck I was, speaking of heck.

[Elsie]

Make a turn to the west; off of US95 north of Vegas...

https://www.google.com/maps/place/Crystal+Springs+Rest+Area,+Extraterrestrial+Highway+Sign/@37.5324787,-115.2322729,123m/data=!3m1!1e3!4m5!3m4!1s0x80b7bf08a99ca835:0x8d97c99cb2b7617b!8m2!3d37.5325266!4d-115.2322872

The same location in GoogleEarth (StreetView) shows just signposts. Perhaps and alien took a souvenir back to Kolob.