It was home to the British during the extreme summer heat of Kolkata, so they ventured into the hills of Darjeeling and spent their summer time here. Its also home to the famed Darjeeling Tea, exported around the world. Darjeeling area is also known for one of the 3 Toy Trains that still run on steam engines in India. Darjeeling is also known for some soft treks and is home to some of the finest monasteries. The Indian Institute of Mountaineering is here and you can also visit the Tiger Hill to see the entire stretch of the Himalayan Ranges.