Here's a site that lists a dozen European theaters offering streaming dance, opera, and music, including much that is free. It may be a sort of mini-travel adventure. For example, I registered in Italian--it was easy--and saw the Rome opera company performing at the stunning Roman Baths of Caracalla. Subtitles may not be in English for opera, but dance speaks no language except that of beauty.
https://www.rhinegold.co.uk/opera_now/a-quick-guide-to-watching-opera-from-around-the-world-in-your-own-home/
