Between 2001 and 2010, more than 2,500 New York subway cars were sunk into the Atlantic — decades later, they have become a thriving underwater reef

A fleet of old subway cars from New York City has found an unexpected second life at the bottom of the Atlantic Ocean. Sunk off the Delaware coast, these decommissioned trains are now integral to the formation of artificial reefs, providing essential shelter for diverse marine species. This thoughtful initiative showcases how old infrastructure can be creatively transformed into vibrant underwater habitats, with the Redbird Reef exemplifying this innovative approach.