I had to look this one up,
inselberg ['©¥nzəlˌbɜ¢°g]
noun an isolated rocky hill rising abruptly from a flat plain
[ETYMOLOGY: from German, from Insel island + Berg mountain]

Be sure and check out the Bradshaw Gallery under Bradshaw Paintings. They are gobsmack material! I haven't been able to explore everything yet, but I'm working on it!