Pennsylvania

So I just checked out the University of Pennsylvania Museum of Archaeology and Anthropology and Mutter Museum

University of Pennsylvania Museum of Archaeology and Anthropology, 3260 South Street, Philadelphia, PA 19104, 215-898-4000, offers a "Pay-what-you-want" general admission during the last half hour of everyday(Thursday – Sunday 10:00 am - 5:00 pm).

No specials for Mutter Museum, 19 South Twenty-Second Street, Philadelphia, PA 19103-3097, 215-563-3737

Rates for the museums are as follows:
Mutter Museum Admission Prices
• General - $15
• Military * - $13 *requires valid id
• Senior (65 and over) * - $13 *requires valid id
• Youth (6-17 years) - $10
• Student * - $10 *requires valid id
• Children (5 & under) – free

Penn Museum Admission Donation
• $10 general admission
• $7 senior citizens (65 and above)
• $6 for children 6 to 17 and full-time students with college ID
• FREE for Museum members, children 5 and under