Online General Admission Terms & Conditions: Visitors who purchase online general admission tickets may have to wait in other lines within the museum, including coat check or entrance to special exhibitions. By purchasing , you are agreeing to pay the full admission of $20 for adults, $15 for seniors, $12 for high school or college students, and $6 for kids from 5 -13 years of age. Discounts and vouchers cannot be applied through online sales. Please see a representative at the admissions desk to purchase discounted tickets. Online general admission tickets are valid for one year after the date of purchase. All sales are final and payments cannot be refunded.