The Long View — sparse but effective use of multimedia elements, as you might expect from The New Yorker.
Lessons from Hurricane Harvey — nice uses of galleries and interactives
M29 – Berlins Buslinie der großen Unterschiede – A really complete interactive mix, You need to speak German to really appreciate it, though.
Rise of the MegaFarm — nice example of a simpler multimedia feature from the Bureau of Investigative Journalism
How to Fix a Toilet — Better than it sounds. Honest.