Explore the natural world around you, discover dinosaur fossils and more at this free gem on the National Mall. The museum contains some of the most famous artifacts in the world. The Janet Annenberg Hooker Hall of Geology, Gems and Minerals has the supposedly cursed Hope Diamond on display. Meanwhile, Q?rius, the museum’s education center, offers teens and tweens a lab where they can make their own scientific discoveries. Other permanent exhibits include an insect zoo and The Sant Ocean Hall, which features an exact replica of a living North Atlantic right whale.