Music videos I find visually interesting, or I just like the song - or both:

• Wolfie's Just Fine - A New Beginning
• Childish Gambino - This Is America
• Lil Dicky - Professional Rapper (Feat. Snoop Dogg)
• Lil Dicky - Earth
• Lil Dicky - Ex-Boyfriend
• Trevor Moore - The Story of Our Times - My Computer Just Became Self Aware
• Trevor Moore - I'm Not Good at This Adult S**t
• LMFAO - Sexy and I Know It
• Chet Faker - Gold
• Azealia Banks - 212 ft Lazy Jay
• Little Big - Hypnodancer
• Bug Hunter - Dear McCracken
• DJ Snake, Lil Jon - Turn Down for What
• Miike Snow - Genghis Khan
• Caro Emerald - That Man
• Caravan Palace - Lone Digger
• Die Antwood - I Fink U Freeky
• PSY - Gangnam Style
• DATA - Don't Sing feat. Benny Sings
• The Avalanches - Frontier Psychiatrist
• Bingo Players ft. Far East Movement - Get Up (Rattle)
• THe Chainsmokers - #selfie
• Galantis - Peanut Butter Jelly
• Think About Things :: Daði Freyr (Daði & Gagnamagnið)
• Ленинград (Leningrad) — Кольщик
• Electric Six - Gay Bar
• Bo Burnham - Repeat Stuff
• OK Go - Here It Goes Again
• OK Go - Upside Down & Inside Out
• OK Go - Needing/Getting
• Michael Jackson - Thriller - Honourable mention for the first music video I ever saw. I think my cousin had it on VHS.
• Jamiroquai - Virtual Insanity
• Nizlopi - JCB Song
• Trace Adkins - Honky Tonk Badonkadonk - This video is pretty much peak Trace Adkins, but I like that they don't take some of their other songs too seriously.
• Fatboy Slim - Weapon of Choice
• Fatboy Slim - Right Here, Right Now

• Bug Hunter - Be Glad I Love You (Official Animated Music Video) Goober
• Bug Hunter - Dear McCracken

• Bug Hunter - Dear McCracken

• Tim Minchin - Storm
• Tim Minchin - Three Minute Song
• She's Too Good For Everyone - The original (from Break Originals maybe?) was taken off YouTube.
• Coincidance

• Bobby McFerrin Demonstrates the Power of the Pentatonic Scale
• History of Wooing Men
• Evolution of Dance - one of the early YouTube videos from April 2006.

Interesting how these types of videos flare up every few years.

• 2020 Daði Freyr (Daði & Gagnamagnið) - Think About Things
• 2012 PSY - GANGNAM STYLE(강남스타일) - also, interestingly, the first video on YouTube to pass a billion views (currently at 3.6 billion in May 2020).
• 2012 Harlem Shake (Know Your Meme

These are either notable because they were terrible, or ubiquitous or both.

• Rebecca Black - Friday
• Ylvis - The Fox (What Does The Fox Say?)