Trying to make a map the terrain variety keeps making the camera bounce around every time I move over terrain.

I do stuff and thingies... Try widening and reducing the number of small nooks and crannies to correct the problem.
In the data editor, the "Terrain Type" contains a "Camera" setting. Normally, this is either set to Default or SpacePlatform.
A "Camera" has a height map. Usually, this is set to "Air". The other option, "Camera" (yes, it is named like that >_> ) is more even and does not zoom out/in around cliffs.