Book excerpt: This book offers an astonishing glimpse beyond the garden walls of some of today's most innovative art spaces around the world--sculpture parks and art situated in nature. As large-scale works grow in popularity, these collections--built and designed by entrepreneurs, landscape architects, environmentalists, artists, and garden experts--demonstrate the endless possibilities of displaying art in nature's realm. Lovers of art, landscape design, and travel will treasure this enchanting excursion into the world's most impressive outdoor museums.