Three million white lights transform St Augustine each winter, a tradition launched in 1993 to honor the city's 450th anniversary and Pedro Menéndez de Avilés's first Spanish landing in 1565. What began as a single-season celebration became the nation's longest-running holiday light festival, stretching seventy nights from mid-November through January. The entire Historic Downtown district participates—every building along St George Street, the Alcazar courtyard, the Bridge of Lions, and the eighteenth-century Spanish Quarter—creating a continuous corridor of illumination that follows the original colonial street grid. Nights of Lights operates without ticket gates or admission zones. The lights activate at six each evening, draping balconies, archways, and live oak branches in synchronized white cascades. The display covers eighty blocks, from the Castillo de San Marcos waterfront south to the San Sebastian River and west past Flagler College's former Ponce de León Hotel, where Henry Flagler installed the city's first electric streetlights in 1888. That Gilded Age infrastructure now powers the modern display, with LED conversions completed in 2018 reducing energy consumption by sixty percent while extending nightly runtime. Visitors navigate the district by foot, but the cobblestone lanes and extended walking distances—often exceeding two miles for a full downtown loop—make wheeled options practical for many. Golf carts and electric vehicles access restricted streets after standard traffic hours, moving slowly past the illuminated Cathedral Basilica and through narrow residential alleys where wrought-iron balconies glow three stories overhead. Trolley routes follow the perimeter, stopping at Matanzas Bay for waterfront views where the lights reflect across dark water. Boat tours depart from the Municipal Marina, tracing the Intracoastal Waterway and returning beneath the illuminated bridge span, where synchronized LEDs pulse in timed sequences. The peak viewing window falls between six and eight, after full darkness settles but before late-night restaurant crowds disperse. December weekends draw the densest foot traffic, with Saturday evenings requiring advanced planning for any guided experience. The lights themselves remain static—no color changes, no projections—relying instead on density and architectural context to create visual depth across the oldest continuously occupied European settlement in the continental United States.