Tom Scott, he has done a video every week for like 10 years. Sort of a science travel adventure nerd. His videos are generally short and interesting.
Veritasum - Science guy with some interesting topics
Donut Media - If you like cars, they do some interesting and funny things while not being complete asshats.
The Proper People - Abandoned places, nice videos and respectful exploration.
Cash Jordan - Gives tours of NYC apartments from tiny studio apartments up to multi-million dollar penthouses.
Geography Geek - A lot of interesting geography-related facts.
Knob Feel - Short and sweet reviews of various knobs.
Vice Grip Garage - If you are interested in how old cars are repaired and have lots of time, he has many ~1.5 hour videos of dragging old cars out of the bushes that haven't ran for 20 years, getting them mostly running, and driving them home.
Polyphonic - Interesting video essays about various music and musical artists.