The 8th District Congressional Student Art Exhibit, an exhibition of winning works from the Congressional Art Competition, opens Friday, May 1, and continues through Monday, June 1. Gallery hours are 9 a.m. to 5 p.m., daily. Free with park admission: $7 adults; $5 seniors and military; $3 age 5 to 12; and free for those younger than 12. Call or visit www.tohonochulpark.org for more information.