"Machinal" by Sophie Treadwell, at EgoPo Classic Theater in Philadelphia, through May 8. Pictured: Mary Tuomanen and Ross Beschle. (Photo by David Garrett Sarrafian)

Onstage This Week: April 25–May 1

From ruling Versailles to walking the tightrope to hiking the Appalachian Trail, adventures abound on stages across the country this week.