Agree with Goblin, Chicago Typewriter, and Because This Life is Our First. Would like to add You Who Came From the Star and Money Flower (I love how this drama was filmed).
Goblin , W-Two Worlds , Scarlet Heart Moon Lovers , You Who Came From The Stars , While You Were Sleeping , Kill Me Heal Me , Descendants Of The Sun , Signal , Secret Garden.
When a Snail Falls in Love--unique angles, drone shots, Secret Love Affair--there weren't really amazing shots, just that they used how they framed the shots to add to the storytelling instead of just capturing it. Some faces were intentionally partially blocked or blurred to show deception, etc., the K2 has some interesting 3D style shots during fight scenes.
