- NILS-UDO (The photos here will take a few seconds to load, but they are worth the wait!) Nils-Udo is a Bavarian artist who came to Topanga--in the Santa Monica Mountains above Los Angeles--to create an art and nature installation. He flew over from Europe for only a week, but spent three days hiking the hillsides, exploring ancient oak forests, following winter streams, discovering water falls ...www.forests.com/nilsudo.html