Here are a few field trips that might interest you if you like math. There are much longer lists of sites with descriptions in the Museums and Field Trips categories in the Resource Types area of the Forum Internet Mathematics Library. The Exploratorium Home page of San Francisco's museum of science, art and human perception. In this online exhibit, the study of symmetry is used to analyze patterns in Oriental carpets. A joint venture of the National Textile Museum and the Math Forum.
Paleontology incorporates many different kinds of data from different fields.
Search for type specimen data from the museum's Catalogs and Collections, examine the collection holdings, or look at similar resources at other institutions.