Mathura
Mathura-Vrindavan celebrates Holi for an entire week rather than a single day, beginning with Lathmar Holi in Barsana (where women beat men with sticks) and building through Phoolon ki Holi (flower Holi), widow's Holi, and the main Holi day — a climax of colour, music, and ecstatic devotion that draws visitors from around the world. The Mathura-Vrindavan Holi is widely considered the most spiritually authentic Holi celebration on earth.
Wear white clothes to show the colours best — and expect those clothes to be permanently coloured. Protect your camera in a waterproof bag. The Barsana Lathmar Holi (one week before main Holi) is the most famous but also the most crowded.