American Museum of Natural History 0 July 1, 2019 https://www.amnh.org/ Vouchers may only be distributed to patrons 18 and older whose accounts have no fines and are in good standing. Each household may be given a maximum of 4 vouchers per year. Each voucher admits 1 person. Admission is free for children under the age of 2. Vouchers are a one-time use and do not need to be returned. Vouchers cannot be replaced if lost or stolen.