Im pretty sure Ive visited about every location in skyrim and I havent found any easter eggs or anything just fought 4 dragons at once but nothing special. How about you guys ?
Use that handy search button next time. 
https://www.wemod.com/forum/2-xbox-360-discussion/84433-skyrim-easter-eggs.html
“The notched hammer” Bethesda’s way of getting back at notch.
Yea. my link.