Whats up with my console? (xbox 360

I was playing New Vegas everything was prefectly fine.
(I blew up Brotherhood steel) and i went to Lucky 38 and did some other things and when i got a new quest i fast travel Hidden Valley it was about 1:30 AM and this is what i was presented with after i hit select and waited for 5 hours for daylight (hate traveling at night)
http://d.pr/ixS8
The size is outrageous so theres a link above
after i went back into their bunker and came back out all was well in the wasted land.
Answer #1
well all I know is there have been many a bugs in the new fallout game – if everything was normal afterwards, consider yourself lucky
Answer #2
haha good. its a rented game so im not really losing anything.. and at hoover dam when the Pres came it was laggy.
sucks.