Adventure Games are my favorite type of games!!

This is a list of the best adventures ever made:

The longest journey 1 & 2 (Dreamfall)

Syberia 1 & 2

Black Mirror (can't wait for part 2)

The Secret Files: Tunguska (also waiting for part 2)

Ankh 1 & 2 (Heart of Osiris)

Runaway: A Road Adventure

Runaway 2: The Dream of the Turtle

N.I.B.I.R.U: Age of Secrets

Day of the Tentacle

All of the Monkey Island games

All of the Nancy Drew games

Sanitarium

Loom

The Settlers 4 & 5 

And so on and so on :)