S1 E4 | Cairo, Istanbul, Seoul, Delhi, Shanghai, Mexico, Osaka

Cairo: a look at the only surviving wonder of the ancient world, the Giza Pyramids; Istanbul: highlights of best of the Byzantine, Ottoman, and Roman empires; Seoul: bustling cities known for their shopping and cultural events; Delhi: the capital of India, which features beautiful mosques, landscaped gardens, and more; Shanghai: the largest and most prosperous city in China; Mexico City: an enclave of artists and writers that exudes charm; Osaka: the central metropolis of the Kansai region.