This unique regional attraction features demonstrations and displays of antique electric streetcars from the U.S. and Europe. There's also an interesting audiovisual show. See Kidstuff for information about the trolley rides here. National Institutes of Health Bldg. This agency of the U.S. Department of the Interior conducts vital investigations involving a variety of endangered species.
Admission is free.
See Kidstuff for more information. It's hard not to get a lump in your throat and feel exceedingly patriotic when you set foot on the gorgeous grounds of this National Historic Site where naval officers have been trained since 1845. Tours start inside Gate 1. Choose from a variety of packages, including Washington by twilight. Group tours are available by appointment.