The Minack Theatre is an open-air theatre, constructed above a gully with a rocky granite outcrop jutting into the sea. The theatre is at Porthcurno, 4 miles from Land’s End in Cornwall, England. http://www.buzzfeed.com/hilarywardle/12-places-youd-never-believe-were-in-the-uk-aplm
Minack Theatre, Penzance, Cornwall, England. An old open-aired theater constructed on a large granite rock that reaches out into the ocean. Today, the theater is still fully function and runs 17 plays during the summer season.