After pickup from the airport or your hotel in an air-conditioned private car, head straight to the 16th-century Humayun’s Tomb, a UNESCO World Heritage Site and Mughal monument that inspired the Taj Mahal. Then, drive south to another iconic Mughal site: the Qutub Minar, the world’s tallest brick minaret and a remnant of Delhi's ancient dynasties. Jump forward a thousand years with a visit to the Lotus Temple, a unique, petal-shaped...