If you don't want to watch the whole thing, or don't have the time, I watched it all the way through, and here are a few highlights, IMO.
11:18, there is a LEGO Cathedral is amazing! So intricately designed, and accurate! The stained glass is especially impressive.
20:47, for any of you Castle lovers,there is a super impressive diorama, with a farming village, city wall, fair, palace, castle, and a pier.
23:31, an huge, and highly detailed mosaic of a dragon attacking a castle.
24:40, a large mansion on a cliff. Even the rock formations at the base are stunning.
29:36, a modular city, if any of you would like a reference of how it could possibly look.
33:09, small scale scenes for every CMS minifigure.
33:59, for you Unikitty lovers, 4 different models of Unikitty.
43:07, the Villa I believe Ranion was talking about.
43:44, a huge version of Benny's Spaceship, Spaceship, SPACESHIP!!
46:12, a build of Cair Paravel, in the Chronicles of Narnia.
48:50, impressive Technic vehicle builds.
52:52, a Technic Lamborghini Aventador
56:38, huge display of several islands in the Odyssey. Continues at 59:20
1:06:13, German U-Boat
1:08:10, an really nice Battle of Kashyyyk MOC.
1:10:35, a model of a battle scene from the movie 300
1:13:34, impressive models of a few sports stadiums