Seoul Sky Observatory should be on everyone's must see list.
The DDP in Seoul is an architectural marvel that should not be missed.
If there's one thing you do in Seoul - let it be renting a hanbok and wandering a Joseon Dynasty Palace.
Kinkakuji Temple is one of those rare touristy sites that's better live, than in pictures.
Steakland Kobe is THE place to go for affordable Kobe beef in Japan.