Kullu
Kullu Valley is dotted with ancient temples — climb to Bijli Mahadev Temple (2,460 m) atop Bhagalog mountain via a 3 km trek for spectacular valley views and lightning-struck lingams, visit Raghunath Temple in Kullu town (centre of the famous Kullu Dussehra), and the ancient Shringi Rishi temple.
Visit during Kullu Dussehra (October) — India's most spectacular Dussehra celebration with hundreds of local deities brought in palanquins.