Ankor Wat.
Pictures and words do not fully explain how big these temples truly are.
If you come to Asia, do not miss this experience.
Also, if one vendor offers you 10 postcards for $1, and another offers you 1 postcard for $1 and you get 9 free, it's the same bloody thing.
Don't spend more than $1 for 10 postcards.
In fact, bargain lower. Everything can be bargained, even food on the street.