In this first episode, discover the oldest paintings in the world, in the extraordinary cave art of Altamira, Lascaux, and Chauvet. Explore details of the imagery, principally depicting large animals, taking in the richness and sophistication of the artwork. Contemplate the mysteries of what the paintings mean and how they show us the cognitive tools on which human civilization was built.

The Taj Mahal is widely considered one of the world’s most beautiful buildings and an enduring symbol of love. Learn about the builder of Taj, the Mughal emperor Shah Jahan, and his beloved wife Mumtaz Mahal, for whom it was built. Study the stunning features of this incredible funerary monument, as it serves as an architectural expression of the culture and politics of Shah Jahan’s empire.

The Great Barrier Reef is one of the world’s natural wonders, drawing travelers to its shimmering, multicolored coral reefs, teeming with fascinating marine life. Relive the dramatic discovery of the Reef in 1768, and learn about its complex, layered ecosystem, the largest structure ever built by living organisms. Witness the huge diversity of its wildlife and assess man-made dangers to the Reef.

The Mogao Grottoes are a series of nearly 500 caves, dug out of cliffs in the desert of northwestern China, containing one of the most dazzling collections of Buddhist art anywhere in the world. Learn how the caves were created and see the sublime statues and lush paintings within them. Also take account of the legendary depository of Buddhist literature and historical texts within Cave 17.