I forget which spell mod it is that adds this, I have a few.
Morrowind - Spells (Ancient? Traditional?)
Midas Magic - regular -
Apocalypse Spells (? )
Maybe I have a scroll mod?
Icarian Flight - found it on the ground in Riverwood. Unlike the Morrowind version, you CAN NOT control where you go.
Once you cast the spell. ZOOOM. you are launched up in the air and clear across Skyrim.
You have a chance to cast one spell while up on the crest of your arch.
There is a scroll of free falling in one of those mods as well, at Belethors Goods.
I cast it from halfway up the mountain at Shors Stone. I Almost made it to Solitude. WOOSH.
I missed the waters, every single time. It is a fun game to play.
I know people frown about mentioning mods here. But..
I think the GENERAL, interaction with Skyrim this offers, justifies the recognition of the whole community.
If you play with friends or what not, there are plenty of different games you can play attached to this. My perogative was to cash in at Shors Stone, but had I landed somewhere safe I think I would have just taken my business elsewhere. HAHA.