The development of ground and gardens of the park (which straddled the border between Surrey and Kent) cost considerably more than the rebuilt Crystal Palace. Edward Milner designed the Italian Garden and fountains, the Great Maze, and the English Landscape Garden, and Raffaele Monti was hired to design and build much of the external statuary around the fountain basins, and the urns, tazzas and vases. The series of fountains constructed required the building of two high water towers, designed by Isambard Kingdom Brunel, at either end of the palace. The sculptor Benjamin Waterhouse Hawkins was commissioned to make 33 lifesized models, completed in 1854, of the (then) newly discovered dinosaurs and other extinct animals in the park. The park was also given a gift of a megatherium skull by Charles Darwin. The rebuilt Crystal Palace was opened by Queen Victoria in June 1854.