I would love to see dungeons like DDO with traps and secrets to figure out (except better!)
Partially underwater cave systems from MW
Mage tower from High Rock
Aelyid ruins from Oblivion, but not all in Cyrodil
We always hear about evil mage research or artifacts or ambitions. Lets also have something to do with rogues/thieves or a master thief.

What do you guys suggest for dungeons?

Me too.

Traps and puzzles yay!

Let's have some tree dungeons in bosmer-land

How about a special walking tree dungeon for one hist -tree that didn't wanna take root in argonian-and