Free Admission Tuesday from 5pm to 8pm at Houston Museum of Natural Science - see INFO below. The Houston Museum of Natural Science was founded in 1909 on the idea that science can enhance everyones lives.Today, the Houston Museum of Natural Science is an expansive, multi-story science center where millions of families, students and visitors from around the globe gather to experience the natural world through exceptional permanent galleries as well as unparalleled world premiere exhibitions that bring the earths wonders to Houston, many of which are organized by HMNS. The Houston Museum of Natural Science offers a convenient parking solution with its attached parking garage. Visitors can park their vehicles in the garage for the duration of their visit at a flat rate. It is important to note that parking cannot be reserved in advance, so it is recommended to arrive early to secure a spot. More Info below.