The Golden Triangle Tour is a popular tourist circuit in India that covers the cities of Delhi, Agra, and Jaipur. The tour typically lasts for 5-7 days and includes visits to iconic landmarks such as the Taj Mahal, the Red Fort, and the Amber Fort. This route is known for its cultural and historical significance, as well as its architectural marvels, and is a must-visit for anyone interested in exploring the rich heritage of India.