Your achievements are many, and your lands beautiful. Since times of antiquity, your people have marveled at a place of great natural grandeur—{0}!—within your lands. But few have heard the true and thrilling story behind its discovery: until now. A popular playwright in {0} has adapted the event for the stage: a saga of exploration and high adventure, replete with dramatic embellishments and laviscious romance. The people are thrilled—and you hear it is not half bad. Perhaps you should grace this theater with your own presence, and see for yourself.
Drawing attention to works like these may inspire a greater appetite for science and exploration. Also... you could use a break.
Cheap entertainment does not interest you. Besides, your continued presence in the capital will keep your citizens' focus on more important matters.