Dead Drop Falls

2 items found only here

Open it on the map

Kind: Place
In: Tamriel
Added by: Dawnguard

Quests that take you here

Bloodline

Lying only here

Items placed in the world here and nowhere else (some can also be bought, made or looted: their pages say).

Exploding Steel Bolt of Ice Bolt
Exploding Steel Bolt of Shock Bolt

From base GTS 118's own records: the winning copy of DLC1DeadDropFallsLocation (Dawnguard.esm). People: where the game places them as a game starts; they walk about.