Complex sentence: Active in promoting alternative spirtualities in the United States, including Buddhism and Goddess-worship, she founded a rural retreat in the 1940's, which continues under the name of "The Druid Heights Artists Retreat".
Split into simpler sentences: Active in promoting alternative spirtualities in the United States, including Buddhism and Goddess-worship, she founded a rural retreat in the 1940's. Her creation continues under the name of "The Druid Heights Artists Retreat".