The Mars Science Laboratory and its rover centerpiece, Curiosity, is the most ambitious Mars mission yet flown by NASA. The rover landed on Mars in 2012 with a primary mission to find out if Mars is, or was, suitable for life. Another objective is to learn more about the Red Planet's environment.
The San Diego Zoo is 100 acres in size. It is well known for its lush, naturalistic habitats and unique animal encounters and is home to more than 3,700 rare and endangered animals representing approximately 660 species and subspecies and a prominent botanical collection with more than 700,000 plants.
A natural history museum or museum of natural history is a scientific institution with natural history collections that include current and historical records of animals, plants, fungi, ecosystems, geology, paleontology, climatology, and more.