You know you'll never get to see it all traveling by land, but that's not going to stop you from trying. 35,000 feet in the air simply won't do.
Mountains are for seeing from the bottom up.
Blossoming cherry trees are for driving through with the windows down. And it isn't just seeing, either. It's the doing. It's a family thing, which makes the distance largely irrelevant. It could be 3,000 miles.