Largest of the US Virgin Islands ( 82 sq miles) offers a variety of activities. Christiansted and Fredriksted are the two main towns and must be seen, each with it's own distinctive style. Shopping is excellent and there are many places of interest to visit. Tours can be arranged to a rum factory, Botanic Gardens among others.If you are interested in science be sure to visit the Eye to The Sky site for a fascinating experience. Enjoy the beaches and related activities. St.Croix has a variety of beaches. Buck Island is a premier diving spot and is a underwater national park and Salt River where Columbus landed is another attraction of note. There is a fine tropical rain forest 15 acres in all which is open for the public to enjoy. Estate St George Botanical Garden covers 16 acres and there you can see ruins of a 19th century sugar cane village and rum factory.