The Houston Museum of Natural Science (HMNS) is one of the most visited museums in the nation, with annual attendance reaching over 3.5 million. Through New Year's Eve, Thursday, December 31, 2020, you can buy a voucher good for a $25 adult general admission ticket for $11.10 plus ticketing fee. Click here to order vouchers or for more information. The offer is good daily from Monday through Saturday, although museum entry is free to all without a pass each Thursday from…