The British colonization of India left behind at least one institution that’s still maintained and cherished to this very day—a sprawling railway system. Though tracks span the length and breadth of the subcontinent, no part of the system is more impressive than the three mountain railways grouped as a single World Heritage site: the Darjeeling Himalayan Railway, the Nilgiri Mountain Railway, and the Kalka Shimla Railway.

In 1967 nearly 100,000 people flooded San Francisco’s Haight-Ashbury neighborhood, creating a movement now dubbed the Summer of Love. More than five decades later, travelers still head to Haight Street, home to vegetarian cafés, smoke shops, and a sprawling Amoeba Music