The Statue of Liberty receives roughly four million visitors annually, yet fewer than thirty percent arrive during the final departure window when October light turns her oxidized copper surface from sea-green to burnished gold. Frédéric Auguste Bartholdi's 151-foot figure—standing atop an 89-foot pedestal designed by Richard Morris Hunt—was engineered by Gustave Eiffel with an iron pylon-and-crossbeam skeleton that allows the copper skin to expand and contract independently, a technique that preserves structural integrity across seasonal temperature swings of sixty degrees Fahrenheit. New York Harbor sunset cruises depart from Battery Park between 09:00 and 17:00 daily, with vessels ranging from the official Statue City Cruises ferries—which carry the exclusive National Park Service concession for Liberty and Ellis Island landings—to private sightseeing boats that circle the monument without docking. The distinction matters: only ticketed ferry passengers may disembark at Liberty Island to access the pedestal observatory or, with advance crown reservations, climb the 162 steps inside the statue's framework to view Manhattan through the twenty-five windows ringing her diadem. Evening departures capture the harbor during the transition between daylight operations and the monument's nighttime illumination system, installed in 1986 during the statue's centennial restoration and upgraded to LED arrays in 2012. The surrounding waterway serves as North America's busiest commercial port, with container ships, tugboats, and commuter ferries crossing paths against a backdrop that includes the Verrazzano-Narrows Bridge, Governors Island's historic fortifications, and the glass-and-steel corridor of Lower Manhattan. Bartholdi selected Bedloe's Island—renamed Liberty Island in 1956—specifically for its midstream position, ensuring the statue would command sightlines from every approach to New York Harbor. The pedestal's granite base, quarried from Stony Creek in Connecticut, rises from a star-shaped fortification built in 1811 as part of the harbor's coastal defense network, a layer of military architecture that predates the monument by seventy-five years and remains visible in the island's earthwork geometry.