Black Holes are wild. They are understandably difficult to understand because their very nature is to breakdown and distort the very fabric of what we perceive as reality. There's a lot to explore with black holes, this first video looks into how black holes distort the space around them and what that means to would be adventurers.
Sources:
Black Holes & Time Warps: Einstein's Outrageous Legacy - Kip Thorne
From the Big Bang to Dark Energy - https://www.coursera.org/learn/big-bang
Orbiting the Black Hole - https://jila.colorado.edu/~ajsh/bh/orbit.html
Orbital Mechanics II - https://physics.info/orbital-mechanics-2/practice.shtml