The National Science Museum in Yuseong-gu, Daejeon holds exhibition and experience halls covering science and technology, natural history, human origins, and astronomy. Visitors move through the Science and Technology Hall, Future Technology Hall, Natural History Hall, Human Hall, and Astronomical Hall, and can also see outdoor displays such as rockets and a maglev train. Seeing the whole museum takes three to four hours, and many exhibitions are free to view. Restrooms and nursing rooms are located throughout the indoor spaces, and a few experience facilities are sometimes closed for inspection.