It means that area of land is higher then other areas. The Golan heights sits on a plateau above the rest of the surrounding area. Washington heights is named after an old Fort Washington…and the fort was built on top of the highest hill in the area.
That's certainly where it comes from. It's not always actually true though. Sometimes someone just liked the name and didn't even think about what it meant.
It's like the name Lakeview. I've been to more than just a couple places named Lakeview something or another. Streets, towns, apartment complexes. The only thing they all had in common is that not a single one of them had a view of a lake.
To be fair, I assume you're American and you guys call the main course the entrée. What else can one expect from uncultured barbarians that they don't respect the most basic laws of human decency? I mean, what's next? Wearing a hat inside? Disgusting.
My town has a “Valley View” that is always amusing. Yeah, it’s at the bottom of a small valley, so there’s no view except the immediately surrounding houses