Disc 1: Our Dramatic Planet: Hike through the lush forests of New Zealand, scale Africa's Kilimanjaro, and plunge to the depths of the Grand Canyon; Disc 2: Romance with Nature: Be enchanted by the misty coasts of Ireland, charmed by the fairytale beauty of Austria, and stunned by the pure splendor of Alaska; Disc 3: Historic Pathways: Roll through the olive-green heart of Italy, unravel the secret of the Cathars in France, and follow ancient trails of the Inca in Peru; Disc 4: China-The Great Wall: Trace the footsteps of seventh-century explorer Xuangzang, and venture to the farthest reaches of the Great Wall to the true heart of China-its people, its customs, and it's breathtaking places.