India's greatest monuments and its most otherworldly landscapes occupy the same compass point — which means North India asks more of the traveller than almost anywhere else, and gives back more in return.
There is a moment somewhere between the chaos of Old Delhi's Chandni Chowk and your first dawn sighting of the Taj Mahal — the light still rosy, the marble still cool, the reflecting pool undisturbed — when the scale of what this region has produced becomes genuinely difficult to process. The Mughal Empire's finest hour was laid down here across two centuries, from Humayun's Tomb in Delhi to the perfection of Agra to the ghost city at Fatehpur Sikri, abandoned almost before the mortar had dried. These buildings were not civic projects. They were acts of obsession by rulers who understood that architecture could outlast every army they could field.
And then there is the other North India — the one that has nothing to do with Mughal marble. The Ganges at Varanasi doesn't care about the Golden Triangle. It has been rolling through the oldest continuously inhabited city on earth since before the Mughals were a rumour, carrying the weight of a civilisation that predates almost every other. At dawn, watched from a wooden boat on the river while priests tend fires on the ghats and the city slowly wakes around you, Varanasi is one of the most arresting places on the planet — not because it is beautiful in the conventional sense, but because it is so entirely, unapologetically itself.
Further north, the Himalaya appears — first as a smear of white on the horizon beyond Shimla, then as an increasingly implausible presence as you climb into Himachal Pradesh or Ladakh. By the time you reach Leh at 3,500 metres, with its whitewashed monasteries plastered to cliffsides and its streets still tasting of Tibet, the India of the plains feels like a separate country. Both are real. Both reward the journey. The traveller who only does one has, in a very specific sense, only done half of North India.