Cornwall's Theatre Under The Stars. Rowena Cade's amazing venue for open-air performance. Exhibition and sub tropical gardens delight day visitors as well. Cornwall's 'Theatre Under The Stars'. The vision and life's work of Rowena Cade. Rated one of the top ten outdoor events in the world by the Lonely Planet Guide. ADVANCE BOOKING ESSENTIAL FOR ALL VISITS AND PERFORMANCES. We are an open air cliff-side theatre in west Cornwall. Each summer we have up to twenty weeks of varied productions.by professional and amateur companies. The site and the sub-tropical gardens remain open throughout the year. In the exhibition centre we tell the remarkable story of how Rowena Cade, built the Minack Theatre and how her vision is being carried forward.