There are all types of museums. All over the world and for the most part free to enter. There are art museums, museums that house historical articles and museums that have natural history like dinosaurs and such.
The gem of the museum is the exhibit of the time travelers. Yes a true gem that. The four time travelers and their blue box. It is in fact a marvel that they can all fit in that box and travel through time. So marvel at the time travelers known as The Doctor, Ian, Barbara and Vicky and look at their wonderful craft The TARDIS the next time you are on Xeros and are visiting The Space Museum.