* Not Just Bikes - urban planning and public transit - https://youtube.com/c/NotJustBikes https://youtube.com/c/NotJustBikes * Real Engineering - in-depth vide

* Not Just Bikes - urban planning and public transit - https://youtube.com/c/NotJustBikes https://youtube.com/c/NotJustBikes * Real Engineering - in-depth videos with amazing visuals on all sorts of subjects like how and with what materials were used for supersonic planes, what went wrong with the Concorde design, how did logistics for D-Day work, how does pumped up hydro work, etc. - https://youtube.com/c/RealEngineering https://youtube.com/c/RealEngineering * Real Time History - historical channel, the team behind The Great War channel (highly recommend as well) with long in-depth videos on historical subjects such as the Russo-Japanese war, Napoleon's invasion of Russia, Franco-Prussian war - https://youtube.com/c/realtimehistory https://youtube.com/c/realtimehistory and https://youtube.com/c/TheGreatWarSeries https://youtube.com/c/TheGreatWarSeries * similarly to The Great War channel/Real Time History, World War 2 and TimeGhost - WW2 week by week, with extra focus in separate videos on crimes against humanity, spying, etc. - https://youtube.com/c/WorldWarTwo https://youtube.com/c/WorldWarTwo and https://youtube.com/c/TimeGhost https://youtube.com/c/TimeGhost